What is 8/10 minus 9/7?

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

How to subtract 8/10 by 9/7?

8 10 − 9 7 = (8 × 7) − (9 × 10) 10 × 7 = -34 70 = -17 35
  1. Multiply the numerator of the first term, with the denominator of the second term: 8 × 7 = 56
  2. Multiply the numerator of the second term, with the denominator of the first term: 9 × 10 = 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: 10 × 7 = 70
  5. Combine the results to get the new fraction: -34/70
  6. Simplify the fraction (-34/70) by dividing both the numerator and the denominator by their GCD (2):
    • -34/2 = -17
    • 70/2 = 35
  7. This gives: -17/35.

The result of subtracting 8/10 and 9/7 is : -17/35 (or -0.48571428571429 in its decimal form)