What is 3/10 minus 8/10?

Looking for the result of 3/10 - 8/10? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 3/10 by 8/10?

3 10 8 10 = (3 × 10) − (8 × 10) 10 × 10 = -50 100 = -1 2
  1. Multiply the numerator of the first term, with the denominator of the second term: 3 × 10 = 30
  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: 30 − 80 = -50
  4. Multiply both denominators together to form the new denominator: 10 × 10 = 100
  5. Combine the results to get the new fraction: -50/100
  6. Simplify the fraction (-50/100) by dividing both the numerator and the denominator by their GCD (50):
    • -50/50 = -1
    • 100/50 = 2
  7. This gives: -1/2.

The result of subtracting 3/10 and 8/10 is : -1/2 (or -0.5 in its decimal form)