What is 7/8 minus 8/7?

Looking for the result of 7/8 - 8/7? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 7/8 by 8/7?

7 8 − 8 7 = (7 × 7) − (8 × 8) 8 × 7 = -15 56
  1. Multiply the numerator of the first term, with the denominator of the second term: 7 × 7 = 49
  2. Multiply the numerator of the second term, with the denominator of the first term: 8 × 8 = 64
  3. Subtract both of these results together to form the new numerator: 49 − 64 = -15
  4. Multiply both denominators together to form the new denominator: 8 × 7 = 56
  5. Combine the results to get the new fraction: -15/56

The result of subtracting 7/8 and 8/7 is : -15/56 (or -0.26785714285714 in its decimal form)