What is 1/2 minus 8/10?

Looking for the result of 1/2 - 8/10? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 1/2 by 8/10?

1 2 − 8 10 = (1 × 10) − (8 × 2) 2 × 10 = -6 20 = -3 10
  1. Multiply the numerator of the first term, with the denominator of the second term: 1 × 10 = 10
  2. Multiply the numerator of the second term, with the denominator of the first term: 8 × 2 = 16
  3. Subtract both of these results together to form the new numerator: 10 − 16 = -6
  4. Multiply both denominators together to form the new denominator: 2 × 10 = 20
  5. Combine the results to get the new fraction: -6/20
  6. Simplify the fraction (-6/20) by dividing both the numerator and the denominator by their GCD (2):
    • -6/2 = -3
    • 20/2 = 10
  7. This gives: -3/10.

The result of subtracting 1/2 and 8/10 is : -3/10 (or -0.3 in its decimal form)