What is 4/10 minus 8/10?

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

How to subtract 4/10 by 8/10?

4 10 − 8 10 = (4 × 10) − (8 × 10) 10 × 10 = -40 100 = -2 5
  1. Multiply the numerator of the first term, with the denominator of the second term: 4 × 10 = 40
  2. Multiply the numerator of the second term, with the denominator of the first term: 8 × 10 = 80
  3. Subtract both of these results together to form the new numerator: 40 − 80 = -40
  4. Multiply both denominators together to form the new denominator: 10 × 10 = 100
  5. Combine the results to get the new fraction: -40/100
  6. Simplify the fraction (-40/100) by dividing both the numerator and the denominator by their GCD (20):
    • -40/20 = -2
    • 100/20 = 5
  7. This gives: -2/5.

The result of subtracting 4/10 and 8/10 is : -2/5 (or -0.4 in its decimal form)