What is 8/10 minus 5/4?

Looking for the result of 8/10 - 5/4? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 8/10 by 5/4?

8 10 − 5 4 = (8 × 4) − (5 × 10) 10 × 4 = -18 40 = -9 20
  1. Multiply the numerator of the first term, with the denominator of the second term: 8 × 4 = 32
  2. Multiply the numerator of the second term, with the denominator of the first term: 5 × 10 = 50
  3. Subtract both of these results together to form the new numerator: 32 − 50 = -18
  4. Multiply both denominators together to form the new denominator: 10 × 4 = 40
  5. Combine the results to get the new fraction: -18/40
  6. Simplify the fraction (-18/40) by dividing both the numerator and the denominator by their GCD (2):
    • -18/2 = -9
    • 40/2 = 20
  7. This gives: -9/20.

The result of subtracting 8/10 and 5/4 is : -9/20 (or -0.45 in its decimal form)