What is 3/10 minus 9/4?

Looking for the result of 3/10 - 9/4? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 3/10 by 9/4?

3 10 − 9 4 = (3 × 4) − (9 × 10) 10 × 4 = -78 40 = -39 20
  1. Multiply the numerator of the first term, with the denominator of the second term: 3 × 4 = 12
  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: 12 − 90 = -78
  4. Multiply both denominators together to form the new denominator: 10 × 4 = 40
  5. Combine the results to get the new fraction: -78/40
  6. Simplify the fraction (-78/40) by dividing both the numerator and the denominator by their GCD (2):
    • -78/2 = -39
    • 40/2 = 20
  7. This gives: -39/20.

The result of subtracting 3/10 and 9/4 is : -39/20 (or -1.95 in its decimal form)