What is 7/9 minus 8/10?

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

How to subtract 7/9 by 8/10?

7 9 − 8 10 = (7 × 10) − (8 × 9) 9 × 10 = -2 90 = -1 45
  1. Multiply the numerator of the first term, with the denominator of the second term: 7 × 10 = 70
  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: 70 − 72 = -2
  4. Multiply both denominators together to form the new denominator: 9 × 10 = 90
  5. Combine the results to get the new fraction: -2/90
  6. Simplify the fraction (-2/90) by dividing both the numerator and the denominator by their GCD (2):
    • -2/2 = -1
    • 90/2 = 45
  7. This gives: -1/45.

The result of subtracting 7/9 and 8/10 is : -1/45 (or -0.022222222222222 in its decimal form)