What is 3/8 of 60?

Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 3/8 of 60? We'll show you a straightforward method to achieve that.

How to calculate 3/8 of 60?

  1. Multiply the whole number by the numerator of the fraction: 60 × 3 = 180
  2. Divide this result by denominator of the fraction: 180/8 = 22.5
  3. Simplify by dividing both the numerator and denominator by their GCD (4):
    • 180/4 = 45
    • 8/4 = 2
  4. Which gives: 45/2

Since 45/2 is an improper fraction, the result could also be expressed as a mixed number: 22 1/2

How does it work?

The principle behind finding a fraction of a number, such as 3/8 of 60, is rooted in the method of cross-multiplication.

Consider the following proportion: 3 8 = x 60 (where x represents 3/8 of 60)

  1. Using the cross-multiplication method, multiply both numerators by their opposite denominators: 3 × 60 = 8 x
  2. Which gives: 180 = 8 x
  3. Divide both sides by 8 to isolate x: 180 8 = 8 x 8
  4. Which gives the result: 180 8 = x (or 45 2 = x )

Thus, 3/8 of 60 is equal to 45/2 (or 22.5 in its decimal form).