- In many situations, comparison between quantities is made by using division i.e., by observing how many times one quantity is in relation to the other quantity. This comparison is known as ratio. We denote it by using the symbol ‘:’.
- A ratio may be treated as a fraction. For example, 3:11 can be treated as .
- We can compare two quantities in terms of ratio, if these quantities are in the same unit. If they are not, then they should be expressed in the same unit before the ratio is taken.
For example, if we want to compare 70 paise and Rs 3 in terms of ratio then we have to convert Rs 3 into paise.
Rs 3 = 300 paise
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