What is 4/5 minus 9/10?

Looking for the result of 4/5 - 9/10? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 4/5 by 9/10?

4 5 − 9 10 = (4 × 10) − (9 × 5) 5 × 10 = -5 50 = -1 10
  1. Multiply the numerator of the first term, with the denominator of the second term: 4 × 10 = 40
  2. Multiply the numerator of the second term, with the denominator of the first term: 9 × 5 = 45
  3. Subtract both of these results together to form the new numerator: 40 − 45 = -5
  4. Multiply both denominators together to form the new denominator: 5 × 10 = 50
  5. Combine the results to get the new fraction: -5/50
  6. Simplify the fraction (-5/50) by dividing both the numerator and the denominator by their GCD (5):
    • -5/5 = -1
    • 50/5 = 10
  7. This gives: -1/10.

The result of subtracting 4/5 and 9/10 is : -1/10 (or -0.1 in its decimal form)