What is 9/2 minus 3/10?

Looking for the result of 9/2 - 3/10? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 9/2 by 3/10?

9 2 − 3 10 = (9 × 10) − (3 × 2) 2 × 10 = 84 20 = 21 5
  1. Multiply the numerator of the first term, with the denominator of the second term: 9 × 10 = 90
  2. Multiply the numerator of the second term, with the denominator of the first term: 3 × 2 = 6
  3. Subtract both of these results together to form the new numerator: 90 − 6 = 84
  4. Multiply both denominators together to form the new denominator: 2 × 10 = 20
  5. Combine the results to get the new fraction: 84/20
  6. Simplify the fraction (84/20) by dividing both the numerator and the denominator by their GCD (4):
    • 84/4 = 21
    • 20/4 = 5
  7. This gives: 21/5.

The result of subtracting 9/2 and 3/10 is : 21/5 (or 4.2 in its decimal form)