What is 7/8 minus 7/2?

Looking for the result of 7/8 - 7/2? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 7/8 by 7/2?

7 8 − 7 2 = (7 × 2) − (7 × 8) 8 × 2 = -42 16 = -21 8
  1. Multiply the numerator of the first term, with the denominator of the second term: 7 × 2 = 14
  2. Multiply the numerator of the second term, with the denominator of the first term: 7 × 8 = 56
  3. Subtract both of these results together to form the new numerator: 14 − 56 = -42
  4. Multiply both denominators together to form the new denominator: 8 × 2 = 16
  5. Combine the results to get the new fraction: -42/16
  6. Simplify the fraction (-42/16) by dividing both the numerator and the denominator by their GCD (2):
    • -42/2 = -21
    • 16/2 = 8
  7. This gives: -21/8.

The result of subtracting 7/8 and 7/2 is : -21/8 (or -2.625 in its decimal form)