What is 10/8 minus 4/5?

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

How to subtract 10/8 by 4/5?

10 8 − 4 5 = (10 × 5) − (4 × 8) 8 × 5 = 18 40 = 9 20
  1. Multiply the numerator of the first term, with the denominator of the second term: 10 × 5 = 50
  2. Multiply the numerator of the second term, with the denominator of the first term: 4 × 8 = 32
  3. Subtract both of these results together to form the new numerator: 50 − 32 = 18
  4. Multiply both denominators together to form the new denominator: 8 × 5 = 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 10/8 and 4/5 is : 9/20 (or 0.45 in its decimal form)