What is 9/9 minus 10/8?

Looking for the result of 9/9 - 10/8? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 9/9 by 10/8?

9 9 − 10 8 = (9 × 8) − (10 × 9) 9 × 8 = -18 72 = -1 4
  1. Multiply the numerator of the first term, with the denominator of the second term: 9 × 8 = 72
  2. Multiply the numerator of the second term, with the denominator of the first term: 10 × 9 = 90
  3. Subtract both of these results together to form the new numerator: 72 − 90 = -18
  4. Multiply both denominators together to form the new denominator: 9 × 8 = 72
  5. Combine the results to get the new fraction: -18/72
  6. Simplify the fraction (-18/72) by dividing both the numerator and the denominator by their GCD (18):
    • -18/18 = -1
    • 72/18 = 4
  7. This gives: -1/4.

The result of subtracting 9/9 and 10/8 is : -1/4 (or -0.25 in its decimal form)