What is 7/8 minus 9/8?

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

How to subtract 7/8 by 9/8?

7 8 − 9 8 = (7 × 8) − (9 × 8) 8 × 8 = -16 64 = -1 4
  1. Multiply the numerator of the first term, with the denominator of the second term: 7 × 8 = 56
  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: 56 − 72 = -16
  4. Multiply both denominators together to form the new denominator: 8 × 8 = 64
  5. Combine the results to get the new fraction: -16/64
  6. Simplify the fraction (-16/64) by dividing both the numerator and the denominator by their GCD (16):
    • -16/16 = -1
    • 64/16 = 4
  7. This gives: -1/4.

The result of subtracting 7/8 and 9/8 is : -1/4 (or -0.25 in its decimal form)