What is 1/2 minus 2/5?

Looking for the result of 1/2 - 2/5? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 1/2 by 2/5?

1 2 − 2 5 = (1 × 5) − (2 × 2) 2 × 5 = 1 10
  1. Multiply the numerator of the first term, with the denominator of the second term: 1 × 5 = 5
  2. Multiply the numerator of the second term, with the denominator of the first term: 2 × 2 = 4
  3. Subtract both of these results together to form the new numerator: 5 − 4 = 1
  4. Multiply both denominators together to form the new denominator: 2 × 5 = 10
  5. Combine the results to get the new fraction: 1/10

The result of subtracting 1/2 and 2/5 is : 1/10 (or 0.1 in its decimal form)