What is 6/7 minus 6/9?

Looking for the result of 6/7 - 6/9? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 6/7 by 6/9?

6 7 − 6 9 = (6 × 9) − (6 × 7) 7 × 9 = 12 63 = 4 21
  1. Multiply the numerator of the first term, with the denominator of the second term: 6 × 9 = 54
  2. Multiply the numerator of the second term, with the denominator of the first term: 6 × 7 = 42
  3. Subtract both of these results together to form the new numerator: 54 − 42 = 12
  4. Multiply both denominators together to form the new denominator: 7 × 9 = 63
  5. Combine the results to get the new fraction: 12/63
  6. Simplify the fraction (12/63) by dividing both the numerator and the denominator by their GCD (3):
    • 12/3 = 4
    • 63/3 = 21
  7. This gives: 4/21.

The result of subtracting 6/7 and 6/9 is : 4/21 (or 0.19047619047619 in its decimal form)