What is 3/10 minus 4/5?

Looking for the result of 3/10 - 4/5? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 3/10 by 4/5?

3 10 − 4 5 = (3 × 5) − (4 × 10) 10 × 5 = -25 50 = -1 2
  1. Multiply the numerator of the first term, with the denominator of the second term: 3 × 5 = 15
  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: 15 − 40 = -25
  4. Multiply both denominators together to form the new denominator: 10 × 5 = 50
  5. Combine the results to get the new fraction: -25/50
  6. Simplify the fraction (-25/50) by dividing both the numerator and the denominator by their GCD (25):
    • -25/25 = -1
    • 50/25 = 2
  7. This gives: -1/2.

The result of subtracting 3/10 and 4/5 is : -1/2 (or -0.5 in its decimal form)