What is 7/8 minus 9/9?

Looking for the result of 7/8 - 9/9? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 7/8 by 9/9?

7 8 − 9 9 = (7 × 9) − (9 × 8) 8 × 9 = -9 72 = -1 8
  1. Multiply the numerator of the first term, with the denominator of the second term: 7 × 9 = 63
  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: 63 − 72 = -9
  4. Multiply both denominators together to form the new denominator: 8 × 9 = 72
  5. Combine the results to get the new fraction: -9/72
  6. Simplify the fraction (-9/72) by dividing both the numerator and the denominator by their GCD (9):
    • -9/9 = -1
    • 72/9 = 8
  7. This gives: -1/8.

The result of subtracting 7/8 and 9/9 is : -1/8 (or -0.125 in its decimal form)