What is 4/10 minus 10/4?

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

How to subtract 4/10 by 10/4?

4 10 − 10 4 = (4 × 4) − (10 × 10) 10 × 4 = -84 40 = -21 10
  1. Multiply the numerator of the first term, with the denominator of the second term: 4 × 4 = 16
  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: 16 − 100 = -84
  4. Multiply both denominators together to form the new denominator: 10 × 4 = 40
  5. Combine the results to get the new fraction: -84/40
  6. Simplify the fraction (-84/40) by dividing both the numerator and the denominator by their GCD (4):
    • -84/4 = -21
    • 40/4 = 10
  7. This gives: -21/10.

The result of subtracting 4/10 and 10/4 is : -21/10 (or -2.1 in its decimal form)