What is 2/4 minus 9/10?

Looking for the result of 2/4 - 9/10? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 2/4 by 9/10?

2 4 − 9 10 = (2 × 10) − (9 × 4) 4 × 10 = -16 40 = -2 5
  1. Multiply the numerator of the first term, with the denominator of the second term: 2 × 10 = 20
  2. Multiply the numerator of the second term, with the denominator of the first term: 9 × 4 = 36
  3. Subtract both of these results together to form the new numerator: 20 − 36 = -16
  4. Multiply both denominators together to form the new denominator: 4 × 10 = 40
  5. Combine the results to get the new fraction: -16/40
  6. Simplify the fraction (-16/40) by dividing both the numerator and the denominator by their GCD (8):
    • -16/8 = -2
    • 40/8 = 5
  7. This gives: -2/5.

The result of subtracting 2/4 and 9/10 is : -2/5 (or -0.4 in its decimal form)