What is 8/4 minus 9/7?

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

How to subtract 8/4 by 9/7?

8 4 − 9 7 = (8 × 7) − (9 × 4) 4 × 7 = 20 28 = 5 7
  1. Multiply the numerator of the first term, with the denominator of the second term: 8 × 7 = 56
  2. Multiply the numerator of the second term, with the denominator of the first term: 9 × 4 = 36
  3. Subtract both of these results together to form the new numerator: 56 − 36 = 20
  4. Multiply both denominators together to form the new denominator: 4 × 7 = 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 8/4 and 9/7 is : 5/7 (or 0.71428571428571 in its decimal form)