What is 9/10 minus 10/9?

Looking for the result of 9/10 - 10/9? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 9/10 by 10/9?

9 10 − 10 9 = (9 × 9) − (10 × 10) 10 × 9 = -19 90
  1. Multiply the numerator of the first term, with the denominator of the second term: 9 × 9 = 81
  2. Multiply the numerator of the second term, with the denominator of the first term: 10 × 10 = 100
  3. Subtract both of these results together to form the new numerator: 81 − 100 = -19
  4. Multiply both denominators together to form the new denominator: 10 × 9 = 90
  5. Combine the results to get the new fraction: -19/90

The result of subtracting 9/10 and 10/9 is : -19/90 (or -0.21111111111111 in its decimal form)