What is 5/7 of 74?

Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 5/7 of 74? We'll show you a straightforward method to achieve that.

How to calculate 5/7 of 74?

  1. Multiply the whole number by the numerator of the fraction: 74 × 5 = 370
  2. Divide this result by denominator of the fraction: 370/7 = 52.857142857143

Since 370/7 is an improper fraction, the result could also be expressed as a mixed number: 52 6/7

How does it work?

The principle behind finding a fraction of a number, such as 5/7 of 74, is rooted in the method of cross-multiplication.

Consider the following proportion: 5 7 = x 74 (where x represents 5/7 of 74)

  1. Using the cross-multiplication method, multiply both numerators by their opposite denominators: 5 × 74 = 7 x
  2. Which gives: 370 = 7 x
  3. Divide both sides by 7 to isolate x: 370 7 = 7 x 7
  4. Which gives the result: 370 7 = x

Thus, 5/7 of 74 is equal to 370/7 (or 52.857142857143 in its decimal form).