What is 1/9 minus 2/8?

Looking for the result of 1/9 - 2/8? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 1/9 by 2/8?

1 9 − 2 8 = (1 × 8) − (2 × 9) 9 × 8 = -10 72 = -5 36
  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: 2 × 9 = 18
  3. Subtract both of these results together to form the new numerator: 8 − 18 = -10
  4. Multiply both denominators together to form the new denominator: 9 × 8 = 72
  5. Combine the results to get the new fraction: -10/72
  6. Simplify the fraction (-10/72) by dividing both the numerator and the denominator by their GCD (2):
    • -10/2 = -5
    • 72/2 = 36
  7. This gives: -5/36.

The result of subtracting 1/9 and 2/8 is : -5/36 (or -0.13888888888889 in its decimal form)