What is 3/10 minus 9/2?

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

How to subtract 3/10 by 9/2?

3 10 − 9 2 = (3 × 2) − (9 × 10) 10 × 2 = -84 20 = -21 5
  1. Multiply the numerator of the first term, with the denominator of the second term: 3 × 2 = 6
  2. Multiply the numerator of the second term, with the denominator of the first term: 9 × 10 = 90
  3. Subtract both of these results together to form the new numerator: 6 − 90 = -84
  4. Multiply both denominators together to form the new denominator: 10 × 2 = 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 3/10 and 9/2 is : -21/5 (or -4.2 in its decimal form)