What is 7/9 minus 10/8?

Looking for the result of 7/9 - 10/8? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 7/9 by 10/8?

7 9 − 10 8 = (7 × 8) − (10 × 9) 9 × 8 = -34 72 = -17 36
  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: 10 × 9 = 90
  3. Subtract both of these results together to form the new numerator: 56 − 90 = -34
  4. Multiply both denominators together to form the new denominator: 9 × 8 = 72
  5. Combine the results to get the new fraction: -34/72
  6. Simplify the fraction (-34/72) by dividing both the numerator and the denominator by their GCD (2):
    • -34/2 = -17
    • 72/2 = 36
  7. This gives: -17/36.

The result of subtracting 7/9 and 10/8 is : -17/36 (or -0.47222222222222 in its decimal form)