What is 8/4 minus 9/2?

Looking for the result of 8/4 - 9/2? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 8/4 by 9/2?

8 4 − 9 2 = (8 × 2) − (9 × 4) 4 × 2 = -20 8 = -5 2
  1. Multiply the numerator of the first term, with the denominator of the second term: 8 × 2 = 16
  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: 16 − 36 = -20
  4. Multiply both denominators together to form the new denominator: 4 × 2 = 8
  5. Combine the results to get the new fraction: -20/8
  6. Simplify the fraction (-20/8) by dividing both the numerator and the denominator by their GCD (4):
    • -20/4 = -5
    • 8/4 = 2
  7. This gives: -5/2.

The result of subtracting 8/4 and 9/2 is : -5/2 (or -2.5 in its decimal form)