What is 10/9 of 65?

Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 10/9 of 65? We'll show you a straightforward method to achieve that.

How to calculate 10/9 of 65?

  1. Multiply the whole number by the numerator of the fraction: 65 × 10 = 650
  2. Divide this result by denominator of the fraction: 650/9 = 72.222222222222

Since 650/9 is an improper fraction, the result could also be expressed as a mixed number: 72 2/9

How does it work?

The principle behind finding a fraction of a number, such as 10/9 of 65, is rooted in the method of cross-multiplication.

Consider the following proportion: 10 9 = x 65 (where x represents 10/9 of 65)

  1. Using the cross-multiplication method, multiply both numerators by their opposite denominators: 10 × 65 = 9 x
  2. Which gives: 650 = 9 x
  3. Divide both sides by 9 to isolate x: 650 9 = 9 x 9
  4. Which gives the result: 650 9 = x

Thus, 10/9 of 65 is equal to 650/9 (or 72.222222222222 in its decimal form).