What is 6/8 minus 9/4?

Looking for the result of 6/8 - 9/4? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 6/8 by 9/4?

6 8 − 9 4 = (6 × 4) − (9 × 8) 8 × 4 = -48 32 = -3 2
  1. Multiply the numerator of the first term, with the denominator of the second term: 6 × 4 = 24
  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: 24 − 72 = -48
  4. Multiply both denominators together to form the new denominator: 8 × 4 = 32
  5. Combine the results to get the new fraction: -48/32
  6. Simplify the fraction (-48/32) by dividing both the numerator and the denominator by their GCD (16):
    • -48/16 = -3
    • 32/16 = 2
  7. This gives: -3/2.

The result of subtracting 6/8 and 9/4 is : -3/2 (or -1.5 in its decimal form)