What is 5/7 minus 10/8?

Looking for the result of 5/7 - 10/8? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 5/7 by 10/8?

5 7 − 10 8 = (5 × 8) − (10 × 7) 7 × 8 = -30 56 = -15 28
  1. Multiply the numerator of the first term, with the denominator of the second term: 5 × 8 = 40
  2. Multiply the numerator of the second term, with the denominator of the first term: 10 × 7 = 70
  3. Subtract both of these results together to form the new numerator: 40 − 70 = -30
  4. Multiply both denominators together to form the new denominator: 7 × 8 = 56
  5. Combine the results to get the new fraction: -30/56
  6. Simplify the fraction (-30/56) by dividing both the numerator and the denominator by their GCD (2):
    • -30/2 = -15
    • 56/2 = 28
  7. This gives: -15/28.

The result of subtracting 5/7 and 10/8 is : -15/28 (or -0.53571428571429 in its decimal form)