What is 7/10 minus 7/8?

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

How to subtract 7/10 by 7/8?

7 10 − 7 8 = (7 × 8) − (7 × 10) 10 × 8 = -14 80 = -7 40
  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: 7 × 10 = 70
  3. Subtract both of these results together to form the new numerator: 56 − 70 = -14
  4. Multiply both denominators together to form the new denominator: 10 × 8 = 80
  5. Combine the results to get the new fraction: -14/80
  6. Simplify the fraction (-14/80) by dividing both the numerator and the denominator by their GCD (2):
    • -14/2 = -7
    • 80/2 = 40
  7. This gives: -7/40.

The result of subtracting 7/10 and 7/8 is : -7/40 (or -0.175 in its decimal form)