What is 8/9 minus 9/8?

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

How to subtract 8/9 by 9/8?

8 9 − 9 8 = (8 × 8) − (9 × 9) 9 × 8 = -17 72
  1. Multiply the numerator of the first term, with the denominator of the second term: 8 × 8 = 64
  2. Multiply the numerator of the second term, with the denominator of the first term: 9 × 9 = 81
  3. Subtract both of these results together to form the new numerator: 64 − 81 = -17
  4. Multiply both denominators together to form the new denominator: 9 × 8 = 72
  5. Combine the results to get the new fraction: -17/72

The result of subtracting 8/9 and 9/8 is : -17/72 (or -0.23611111111111 in its decimal form)