What is 10/8 minus 9/9?

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

How to subtract 10/8 by 9/9?

10 8 − 9 9 = (10 × 9) − (9 × 8) 8 × 9 = 18 72 = 1 4
  1. Multiply the numerator of the first term, with the denominator of the second term: 10 × 9 = 90
  2. Multiply the numerator of the second term, with the denominator of the first term: 9 × 8 = 72
  3. Subtract both of these results together to form the new numerator: 90 − 72 = 18
  4. Multiply both denominators together to form the new denominator: 8 × 9 = 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 10/8 and 9/9 is : 1/4 (or 0.25 in its decimal form)