What is 7/9 minus 8/9?

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

How to subtract 7/9 by 8/9?

7 9 − 8 9 = (7 × 9) − (8 × 9) 9 × 9 = -9 81 = -1 9
  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: 8 × 9 = 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: 9 × 9 = 81
  5. Combine the results to get the new fraction: -9/81
  6. Simplify the fraction (-9/81) by dividing both the numerator and the denominator by their GCD (9):
    • -9/9 = -1
    • 81/9 = 9
  7. This gives: -1/9.

The result of subtracting 7/9 and 8/9 is : -1/9 (or -0.11111111111111 in its decimal form)