What is 4/10 minus 4/5?

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

How to subtract 4/10 by 4/5?

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

The result of subtracting 4/10 and 4/5 is : -2/5 (or -0.4 in its decimal form)