What is 3/9 minus 4/8?

Looking for the result of 3/9 - 4/8? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 3/9 by 4/8?

3 9 − 4 8 = (3 × 8) − (4 × 9) 9 × 8 = -12 72 = -1 6
  1. Multiply the numerator of the first term, with the denominator of the second term: 3 × 8 = 24
  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: 24 − 36 = -12
  4. Multiply both denominators together to form the new denominator: 9 × 8 = 72
  5. Combine the results to get the new fraction: -12/72
  6. Simplify the fraction (-12/72) by dividing both the numerator and the denominator by their GCD (12):
    • -12/12 = -1
    • 72/12 = 6
  7. This gives: -1/6.

The result of subtracting 3/9 and 4/8 is : -1/6 (or -0.16666666666667 in its decimal form)