What is 9/10 minus 10/8?

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

How to subtract 9/10 by 10/8?

9 10 − 10 8 = (9 × 8) − (10 × 10) 10 × 8 = -28 80 = -7 20
  1. Multiply the numerator of the first term, with the denominator of the second term: 9 × 8 = 72
  2. Multiply the numerator of the second term, with the denominator of the first term: 10 × 10 = 100
  3. Subtract both of these results together to form the new numerator: 72 − 100 = -28
  4. Multiply both denominators together to form the new denominator: 10 × 8 = 80
  5. Combine the results to get the new fraction: -28/80
  6. Simplify the fraction (-28/80) by dividing both the numerator and the denominator by their GCD (4):
    • -28/4 = -7
    • 80/4 = 20
  7. This gives: -7/20.

The result of subtracting 9/10 and 10/8 is : -7/20 (or -0.35 in its decimal form)