What is 9/10 minus 2/5?

Looking for the result of 9/10 - 2/5? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 9/10 by 2/5?

9 10 − 2 5 = (9 × 5) − (2 × 10) 10 × 5 = 25 50 = 1 2
  1. Multiply the numerator of the first term, with the denominator of the second term: 9 × 5 = 45
  2. Multiply the numerator of the second term, with the denominator of the first term: 2 × 10 = 20
  3. Subtract both of these results together to form the new numerator: 45 − 20 = 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 9/10 and 2/5 is : 1/2 (or 0.5 in its decimal form)