What is 9/7 minus 8/4?

Looking for the result of 9/7 - 8/4? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 9/7 by 8/4?

9 7 − 8 4 = (9 × 4) − (8 × 7) 7 × 4 = -20 28 = -5 7
  1. Multiply the numerator of the first term, with the denominator of the second term: 9 × 4 = 36
  2. Multiply the numerator of the second term, with the denominator of the first term: 8 × 7 = 56
  3. Subtract both of these results together to form the new numerator: 36 − 56 = -20
  4. Multiply both denominators together to form the new denominator: 7 × 4 = 28
  5. Combine the results to get the new fraction: -20/28
  6. Simplify the fraction (-20/28) by dividing both the numerator and the denominator by their GCD (4):
    • -20/4 = -5
    • 28/4 = 7
  7. This gives: -5/7.

The result of subtracting 9/7 and 8/4 is : -5/7 (or -0.71428571428571 in its decimal form)