What is 7/9 minus 4/8?

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

How to subtract 7/9 by 4/8?

7 9 − 4 8 = (7 × 8) − (4 × 9) 9 × 8 = 20 72 = 5 18
  1. Multiply the numerator of the first term, with the denominator of the second term: 7 × 8 = 56
  2. Multiply the numerator of the second term, with the denominator of the first term: 4 × 9 = 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: 9 × 8 = 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 7/9 and 4/8 is : 5/18 (or 0.27777777777778 in its decimal form)