What is 1/7 minus 9/8?

Looking for the result of 1/7 - 9/8? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 1/7 by 9/8?

1 7 − 9 8 = (1 × 8) − (9 × 7) 7 × 8 = -55 56
  1. Multiply the numerator of the first term, with the denominator of the second term: 1 × 8 = 8
  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: 8 − 63 = -55
  4. Multiply both denominators together to form the new denominator: 7 × 8 = 56
  5. Combine the results to get the new fraction: -55/56

The result of subtracting 1/7 and 9/8 is : -55/56 (or -0.98214285714286 in its decimal form)