What is 9/9 minus 9/8?

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

How to subtract 9/9 by 9/8?

9 9 − 9 8 = (9 × 8) − (9 × 9) 9 × 8 = -9 72 = -1 8
  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: 9 × 9 = 81
  3. Subtract both of these results together to form the new numerator: 72 − 81 = -9
  4. Multiply both denominators together to form the new denominator: 9 × 8 = 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 9/9 and 9/8 is : -1/8 (or -0.125 in its decimal form)