Mathematics Semester i Solutions Solutions for Class 7 Math Chapter 5 Fractions are provided here with simple step-by-step explanations. These solutions for Fractions are extremely popular among class 7 students for Math Fractions Solutions come handy for quickly completing your homework and preparing for exams. All questions and answers from the Mathematics Semester i Solutions Book of class 7 Math Chapter 5 are provided here for you for free. You will also love the ad-free experience on Meritnation’s Mathematics Semester i Solutions Solutions. All Mathematics Semester i Solutions Solutions for class 7 Math are prepared by experts and are 100% accurate.

Page No 55:

Question O1:

Give the next two equivalent fractions for.

Answer:

.

Page No 55:

Question O2:

Which of the following is the greatest.

Answer:

Reason: When the numerators of the fractions are same, the fractions having the smallestr denominator has will have the greaterst value.



Page No 56:

Question W1:

Fill in the blanks with appropriate numbers:

(1)

(2)

(3)

Answer:

(1)

(2)

(3)

Page No 56:

Question W2:

Write three equivalent fractions for each of the following:

(1)

(2)

(3)

Answer:

(1)

The three equivalent fractions of are.

(2)

The three equivalent fractions of are.

(3)

The three equivalent fractions of are.

Page No 56:

Question W3:

Reduce the following fractions to their simplest form:

(1)

(2)

(3)

(4)

(5)

Answer:

(1)

(2)

(3)

(4)

(5)

Page No 56:

Question W4:

Which is greater?

(1)

(2)

(3)

(4)

(5)

Answer:

(1)

The fraction is greater.

(2)

The fraction is greater.

(3)

Here,

Thus, is greater.

(4)

Thus, is greater.

(5)

Thus, is greater.

Page No 56:

Question W5:

Identify equivalent fractions.

(1)

(2)

(3)

(4)

Answer:

(1) Here,

Thus, are equivalent fractions.

(2) Here,

Thus, are not equivalent fractions.

(3) Here,

Thus, are equivalent fractions.

(4) are not equivalent fractions.



Page No 57:

Question W6:

(1) Write these fractions in ascending order.

(2) Write these fractions in descending order.

Answer:

(1)

Thus,

(2)

Thus,

Page No 57:

Question W7:

Arrange the following fractions in ascending order by

(a) equalising the denominators

(1)

(2)

(3)

(4)

Answer:

(1) L.C.M. of the denominators 3, 8, 6, 4 is 24.

Arrangement of the resulting fractions in ascending order is:

Arrangement of the given fractions in ascending order is:

(2) L.C.M. of the denominators 15, 5, 9, 3 is 45.

Arrangement of the resulting fractions in ascending order is:

Arrangement of the given fractions in ascending order is:

(3) L.C.M of the denominators 6, 8, 12, 10 is 120.

Arrangement of the resulting fractions in ascending order is:

Arrangement of the given fractions in ascending order is:

(4) L.C.M of the denominators 3, 9, 6, 12 is 36.

Arrangement of the resulting fractions in ascending order is:

Arrangement of the given fractions in ascending order is:

Page No 57:

Question W8:

Write the following fractions in descending order by

(a) equalising the numerators

(1)

(2)

(3)

(4)

Answer:

(1) L.C.M of the numerators 3, 7, 2, 5 is 210.

Arrangement of the resulting fractions in descending order is:

Arrangement of the given fractions in descending order is:

(2) L.C.M of the numerators 7, 8, 4, 11 is 616.

Arrangement of the resulting fractions in descending order is:

Arrangement of the given fractions in descending order is:

(3) L.C.M of the numerators 5, 4, 8, 1 is 40.

Arrangement of the resulting fractions in descending order is:

Arrangement of the given fractions in descending order is:

(4) L.C.M of the numerators 1, 6, 8, 3 is 24.

Arrangement of the resulting fractions in descending order is:

Arrangement of the given fractions in descending order is:



Page No 62:

Question W1:

Simplify:

(1)

(2)

(3)

(4)

(5)

(6)

Answer:

(1) According to the BODMAS rule, first divide and then multiply.

(2) According to the BODMAS rule, simplify of and then divide.

(3) According to the BODMAS rule, first divide and then multiply.

(4) According to the BODMAS rule, simplify of and then divide.

(5) According to the BODMAS rule, simplify of, then divide, multiply, add and subtract.

(6) According to the BODMAS rule, simplify of, then divide, multiply and add.

Page No 62:

Question O1:

Name the order of brackets used in simplifying a problem.

_____, [ ], ( ), { }.

Answer:

Order of brackets used in simplifying:

Vinculum (−−−), Square brackets [ ], Small brackets ( ), Flower brackets { }.

Page No 62:

Question O2:

Give the value of.

Answer:

The value of is .



Page No 63:

Question W2:

Find the value of:

(1)

(2)

(3)

(4)

(5)

Answer:

(1)

(2)

(3)

(4)

(5)

Page No 63:

Question W3.1:

A bag contains 20 kg of potatoes. If of potatoes are sold, find the weight of remaining potatoes.

Answer:

Weight of total potatoes = 20 kg

Weight of potatoes sold

Weight of remaining potatoes

Page No 63:

Question W3.2:

Kiran buys of yellow ribbon, of red ribbon and of blue ribbon to decorate a mantap. If the cost of 1 metre of ribbon is Rs. 6/-, find the cost of ribbons bought by him.

Answer:

Length of ribbons bought by Kiran

Cost of 1m of ribbon = Rs. 6

Cost of ribbons bought by Kiran

Page No 63:

Question W3.3:

If Seenappa spends of his salary on food, on house rent and on miscellaneous items, then find the fraction of his salary that remains with him.

Answer:

Fraction of the salary that remains with Seenappa

Page No 63:

Question W3.4:

Geetha solves of 30 mathematical problems. How many problems has she not solved?

Answer:

Number of problems not solved by Geetha

Page No 63:

Question W3.5:

Out of a long rope, how many pieces can be made, each measuring ?

Answer:

Number of pieces



Page No 64:

Question W3.10:

Fill the circles on the sides of the given triangle with so as to get the sum on each side as .

Answer:

Total of each side

Page No 64:

Question W3.6:

In a unit test, Sheriff scores . What is the total marks he has scored in the three subjects?

Answer:

Total marks scored in the three subjects

Page No 64:

Question W3.7:

From a length of 20 m of a thread, two piece each measuring are cut. Find the length of the piece of thread remaining.

Answer:

Length of the piece of thread remaining

Page No 64:

Question W3.8:

The length and breadth of a rectangular card board are respectively. What is the area of the card board?

Answer:

Area of the card board

Page No 64:

Question W3.9:

A vessel contains of sugar. In how many bags can it be filled, if each bag can hold? What is the weight of the sugar remaining?

Answer:

Number of bags = 9

Weight of the remaining sugar



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