What is 4/10 minus 10/8?

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

How to subtract 4/10 by 10/8?

4 10 − 10 8 = (4 × 8) − (10 × 10) 10 × 8 = -68 80 = -17 20
  1. Multiply the numerator of the first term, with the denominator of the second term: 4 × 8 = 32
  2. Multiply the numerator of the second term, with the denominator of the first term: 10 × 10 = 100
  3. Subtract both of these results together to form the new numerator: 32 − 100 = -68
  4. Multiply both denominators together to form the new denominator: 10 × 8 = 80
  5. Combine the results to get the new fraction: -68/80
  6. Simplify the fraction (-68/80) by dividing both the numerator and the denominator by their GCD (4):
    • -68/4 = -17
    • 80/4 = 20
  7. This gives: -17/20.

The result of subtracting 4/10 and 10/8 is : -17/20 (or -0.85 in its decimal form)