What is 9/10 minus 1/2?

Looking for the result of 9/10 - 1/2? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 9/10 by 1/2?

9 10 − 1 2 = (9 × 2) − (1 × 10) 10 × 2 = 8 20 = 2 5
  1. Multiply the numerator of the first term, with the denominator of the second term: 9 × 2 = 18
  2. Multiply the numerator of the second term, with the denominator of the first term: 1 × 10 = 10
  3. Subtract both of these results together to form the new numerator: 18 − 10 = 8
  4. Multiply both denominators together to form the new denominator: 10 × 2 = 20
  5. Combine the results to get the new fraction: 8/20
  6. Simplify the fraction (8/20) by dividing both the numerator and the denominator by their GCD (4):
    • 8/4 = 2
    • 20/4 = 5
  7. This gives: 2/5.

The result of subtracting 9/10 and 1/2 is : 2/5 (or 0.4 in its decimal form)