What is 4/8 minus 7/9?

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

How to subtract 4/8 by 7/9?

4 8 − 7 9 = (4 × 9) − (7 × 8) 8 × 9 = -20 72 = -5 18
  1. Multiply the numerator of the first term, with the denominator of the second term: 4 × 9 = 36
  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: 36 − 56 = -20
  4. Multiply both denominators together to form the new denominator: 8 × 9 = 72
  5. Combine the results to get the new fraction: -20/72
  6. Simplify the fraction (-20/72) by dividing both the numerator and the denominator by their GCD (4):
    • -20/4 = -5
    • 72/4 = 18
  7. This gives: -5/18.

The result of subtracting 4/8 and 7/9 is : -5/18 (or -0.27777777777778 in its decimal form)