What is 1/9 minus 4/8?

Looking for the result of 1/9 - 4/8? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 1/9 by 4/8?

1 9 − 4 8 = (1 × 8) − (4 × 9) 9 × 8 = -28 72 = -7 18
  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: 4 × 9 = 36
  3. Subtract both of these results together to form the new numerator: 8 − 36 = -28
  4. Multiply both denominators together to form the new denominator: 9 × 8 = 72
  5. Combine the results to get the new fraction: -28/72
  6. Simplify the fraction (-28/72) by dividing both the numerator and the denominator by their GCD (4):
    • -28/4 = -7
    • 72/4 = 18
  7. This gives: -7/18.

The result of subtracting 1/9 and 4/8 is : -7/18 (or -0.38888888888889 in its decimal form)