What is 1/10 minus 9/4?

Looking for the result of 1/10 - 9/4? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 1/10 by 9/4?

1 10 − 9 4 = (1 × 4) − (9 × 10) 10 × 4 = -86 40 = -43 20
  1. Multiply the numerator of the first term, with the denominator of the second term: 1 × 4 = 4
  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: 4 − 90 = -86
  4. Multiply both denominators together to form the new denominator: 10 × 4 = 40
  5. Combine the results to get the new fraction: -86/40
  6. Simplify the fraction (-86/40) by dividing both the numerator and the denominator by their GCD (2):
    • -86/2 = -43
    • 40/2 = 20
  7. This gives: -43/20.

The result of subtracting 1/10 and 9/4 is : -43/20 (or -2.15 in its decimal form)