What is 3/5 minus 9/8?

Looking for the result of 3/5 - 9/8? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 3/5 by 9/8?

3 5 − 9 8 = (3 × 8) − (9 × 5) 5 × 8 = -21 40
  1. Multiply the numerator of the first term, with the denominator of the second term: 3 × 8 = 24
  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: 24 − 45 = -21
  4. Multiply both denominators together to form the new denominator: 5 × 8 = 40
  5. Combine the results to get the new fraction: -21/40

The result of subtracting 3/5 and 9/8 is : -21/40 (or -0.525 in its decimal form)