What is 1/8 minus 9/8?

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

How to subtract 1/8 by 9/8?

1 8 − 9 8 = (1 × 8) − (9 × 8) 8 × 8 = -64 64 = -1 1
  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 × 8 = 72
  3. Subtract both of these results together to form the new numerator: 8 − 72 = -64
  4. Multiply both denominators together to form the new denominator: 8 × 8 = 64
  5. Combine the results to get the new fraction: -64/64
  6. Simplify the fraction (-64/64) by dividing both the numerator and the denominator by their GCD (64):
    • -64/64 = -1
    • 64/64 = 1
  7. This gives: -1.

The result of subtracting 1/8 and 9/8 is : -1