What is 8/9 of 58?

Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 8/9 of 58? We'll show you a straightforward method to achieve that.

How to calculate 8/9 of 58?

  1. Multiply the whole number by the numerator of the fraction: 58 × 8 = 464
  2. Divide this result by denominator of the fraction: 464/9 = 51.555555555556

Since 464/9 is an improper fraction, the result could also be expressed as a mixed number: 51 5/9

How does it work?

The principle behind finding a fraction of a number, such as 8/9 of 58, is rooted in the method of cross-multiplication.

Consider the following proportion: 8 9 = x 58 (where x represents 8/9 of 58)

  1. Using the cross-multiplication method, multiply both numerators by their opposite denominators: 8 × 58 = 9 x
  2. Which gives: 464 = 9 x
  3. Divide both sides by 9 to isolate x: 464 9 = 9 x 9
  4. Which gives the result: 464 9 = x

Thus, 8/9 of 58 is equal to 464/9 (or 51.555555555556 in its decimal form).