What is 2/5 minus 9/8?

Looking for the result of 2/5 - 9/8? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 2/5 by 9/8?

2 5 − 9 8 = (2 × 8) − (9 × 5) 5 × 8 = -29 40
  1. Multiply the numerator of the first term, with the denominator of the second term: 2 × 8 = 16
  2. Multiply the numerator of the second term, with the denominator of the first term: 9 × 5 = 45
  3. Subtract both of these results together to form the new numerator: 16 − 45 = -29
  4. Multiply both denominators together to form the new denominator: 5 × 8 = 40
  5. Combine the results to get the new fraction: -29/40

The result of subtracting 2/5 and 9/8 is : -29/40 (or -0.725 in its decimal form)