What is 1/7 minus 7/9?

Looking for the result of 1/7 - 7/9? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 1/7 by 7/9?

1 7 − 7 9 = (1 × 9) − (7 × 7) 7 × 9 = -40 63
  1. Multiply the numerator of the first term, with the denominator of the second term: 1 × 9 = 9
  2. Multiply the numerator of the second term, with the denominator of the first term: 7 × 7 = 49
  3. Subtract both of these results together to form the new numerator: 9 − 49 = -40
  4. Multiply both denominators together to form the new denominator: 7 × 9 = 63
  5. Combine the results to get the new fraction: -40/63

The result of subtracting 1/7 and 7/9 is : -40/63 (or -0.63492063492063 in its decimal form)