What is 3/2 of 61?

Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 3/2 of 61? We'll show you a straightforward method to achieve that.

How to calculate 3/2 of 61?

  1. Multiply the whole number by the numerator of the fraction: 61 × 3 = 183
  2. Divide this result by denominator of the fraction: 183/2 = 91.5

Since 183/2 is an improper fraction, the result could also be expressed as a mixed number: 91 1/2

How does it work?

The principle behind finding a fraction of a number, such as 3/2 of 61, is rooted in the method of cross-multiplication.

Consider the following proportion: 3 2 = x 61 (where x represents 3/2 of 61)

  1. Using the cross-multiplication method, multiply both numerators by their opposite denominators: 3 × 61 = 2 x
  2. Which gives: 183 = 2 x
  3. Divide both sides by 2 to isolate x: 183 2 = 2 x 2
  4. Which gives the result: 183 2 = x

Thus, 3/2 of 61 is equal to 183/2 (or 91.5 in its decimal form).