Please answer this question:The cost of a pen is Rs {Six two by three} 6 2/3 and that of a pencil is Rs {Four one by six} 4 1/6.Which costs more and by how much ? ; Please explain how to do this.

 

cost of a pen = 6 whole 2/3 = rs 20/3

cost of a pencil = 4 whole 1/6 = rs 25 /6

since their denominators r not equal we cannot compare them . so first of all we will make the denominators equal

  • find the lcm of 3 and 6 . it will come 6
  • now find their numerators ... i hope u know the way ... it will come 40/6 and 25/6 ...
  • which is greater - cost of pen which is 40/6 or cost of pancil which is 25/6 .
  • obviously 25/6 - cost of pencil

understood till here ?

  • 3

sorry   obviously 25/6 - cost of pencil - - obviously cost of a pen - rs 40/6

  • 0

now we know that the pen is costlier . so find the difference

  • 40/6 - 25/6 =  15 /6 =  2 whole 3/6
  • or we can say that pen is rs 2.5  costlier than the pencil
  • 1

u turn the mixed fractions to improper fraction and then do Numerator divided by Denominator and that will give u a decimal( Do this for both mixed fractions) and then u will know which one is costlier! 

  • 0

pankaj is right

  • 0

pen costs more than pencil.

make both mixed fraction into improper fraction.

6 2/3= 20/3 , 4 1/6= 21/6

on cross multiply

20*6  21*3

120  63

therefore, pen costs more than pencil.

  • 0

pen costs more than pencil.

make both mixed fraction into improper fraction.

6 2/3= 20/3 , 4 1/6= 21/6

on cross multiply

20*6 21*3

120 63

therefore, pen costs more than pencil.

HOPE U UNDERSTAND MY ANSWER

  • 0

pen costs more than pencil.

make both mixed fraction into improper fraction.

6 2/3= 20/3 , 4 1/6= 21/6

on cross multiply

20*6 21*3

120 63

therefore, pen costs more than pen so you have understod and deeksha gopal is right 

  • 0

first find the lowest common multiple of 3 and 6 = 6

62/3   =   124/6

41/6    =  41/6

124/6 > 41/6

124/6 -41/6 gives the answer for by how much

  • 0

four one by six

  • 0

4 1/6 is greater .

Because now 6 2/3 =20/3 nd 4 1/6 =25/6. As 20/3 denominator is 3 a prime number we multiply the number with 6 the denominator of 25/6 , and we multiply 6 with 3 the denominator of 20/3 . so we get 120/18 and 75/18 , and then make it into mixed fraction . you will see that 6 2/18 and 8 3/18 . therefore 4 1/6 is greater.

  • 0
What are you looking for?