What is 8/10 minus 9/9?

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

How to subtract 8/10 by 9/9?

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

The result of subtracting 8/10 and 9/9 is : -1/5 (or -0.2 in its decimal form)