What is 5/7 minus 9/9?

Looking for the result of 5/7 - 9/9? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 5/7 by 9/9?

5 7 − 9 9 = (5 × 9) − (9 × 7) 7 × 9 = -18 63 = -2 7
  1. Multiply the numerator of the first term, with the denominator of the second term: 5 × 9 = 45
  2. Multiply the numerator of the second term, with the denominator of the first term: 9 × 7 = 63
  3. Subtract both of these results together to form the new numerator: 45 − 63 = -18
  4. Multiply both denominators together to form the new denominator: 7 × 9 = 63
  5. Combine the results to get the new fraction: -18/63
  6. Simplify the fraction (-18/63) by dividing both the numerator and the denominator by their GCD (9):
    • -18/9 = -2
    • 63/9 = 7
  7. This gives: -2/7.

The result of subtracting 5/7 and 9/9 is : -2/7 (or -0.28571428571429 in its decimal form)