What is 9/4 minus 9/8?

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

How to subtract 9/4 by 9/8?

9 4 − 9 8 = (9 × 8) − (9 × 4) 4 × 8 = 36 32 = 9 8
  1. Multiply the numerator of the first term, with the denominator of the second term: 9 × 8 = 72
  2. Multiply the numerator of the second term, with the denominator of the first term: 9 × 4 = 36
  3. Subtract both of these results together to form the new numerator: 72 − 36 = 36
  4. Multiply both denominators together to form the new denominator: 4 × 8 = 32
  5. Combine the results to get the new fraction: 36/32
  6. Simplify the fraction (36/32) by dividing both the numerator and the denominator by their GCD (4):
    • 36/4 = 9
    • 32/4 = 8
  7. This gives: 9/8.

The result of subtracting 9/4 and 9/8 is : 9/8 (or 1.125 in its decimal form)