What is 1/9 minus 1/7?

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

How to subtract 1/9 by 1/7?

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

The result of subtracting 1/9 and 1/7 is : -2/63 (or -0.031746031746032 in its decimal form)