What is 3/8 minus 9/8?

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

How to subtract 3/8 by 9/8?

3 8 − 9 8 = (3 × 8) − (9 × 8) 8 × 8 = -48 64 = -3 4
  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: 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 × 8 = 64
  5. Combine the results to get the new fraction: -48/64
  6. Simplify the fraction (-48/64) by dividing both the numerator and the denominator by their GCD (16):
    • -48/16 = -3
    • 64/16 = 4
  7. This gives: -3/4.

The result of subtracting 3/8 and 9/8 is : -3/4 (or -0.75 in its decimal form)