What is 1/7 minus 8/7?

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

How to subtract 1/7 by 8/7?

1 7 − 8 7 = (1 × 7) − (8 × 7) 7 × 7 = -49 49 = -1 1
  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: 8 × 7 = 56
  3. Subtract both of these results together to form the new numerator: 7 − 56 = -49
  4. Multiply both denominators together to form the new denominator: 7 × 7 = 49
  5. Combine the results to get the new fraction: -49/49
  6. Simplify the fraction (-49/49) by dividing both the numerator and the denominator by their GCD (49):
    • -49/49 = -1
    • 49/49 = 1
  7. This gives: -1.

The result of subtracting 1/7 and 8/7 is : -1