What is 10/8 minus 9/10?

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

How to subtract 10/8 by 9/10?

10 8 − 9 10 = (10 × 10) − (9 × 8) 8 × 10 = 28 80 = 7 20
  1. Multiply the numerator of the first term, with the denominator of the second term: 10 × 10 = 100
  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: 100 − 72 = 28
  4. Multiply both denominators together to form the new denominator: 8 × 10 = 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 10/8 and 9/10 is : 7/20 (or 0.35 in its decimal form)