What is 1/3 of 53?

Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 1/3 of 53? We'll show you a straightforward method to achieve that.

How to calculate 1/3 of 53?

  1. Multiply the whole number by the numerator of the fraction: 53 × 1 = 53
  2. Divide this result by denominator of the fraction: 53/3 = 17.666666666667

Since 53/3 is an improper fraction, the result could also be expressed as a mixed number: 17 2/3

How does it work?

The principle behind finding a fraction of a number, such as 1/3 of 53, is rooted in the method of cross-multiplication.

Consider the following proportion: 1 3 = x 53 (where x represents 1/3 of 53)

  1. Using the cross-multiplication method, multiply both numerators by their opposite denominators: 1 × 53 = 3 x
  2. Which gives: 53 = 3 x
  3. Divide both sides by 3 to isolate x: 53 3 = 3 x 3
  4. Which gives the result: 53 3 = x

Thus, 1/3 of 53 is equal to 53/3 (or 17.666666666667 in its decimal form).