What is 3/9 minus 4/5?

Looking for the result of 3/9 - 4/5? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 3/9 by 4/5?

3 9 − 4 5 = (3 × 5) − (4 × 9) 9 × 5 = -21 45 = -7 15
  1. Multiply the numerator of the first term, with the denominator of the second term: 3 × 5 = 15
  2. Multiply the numerator of the second term, with the denominator of the first term: 4 × 9 = 36
  3. Subtract both of these results together to form the new numerator: 15 − 36 = -21
  4. Multiply both denominators together to form the new denominator: 9 × 5 = 45
  5. Combine the results to get the new fraction: -21/45
  6. Simplify the fraction (-21/45) by dividing both the numerator and the denominator by their GCD (3):
    • -21/3 = -7
    • 45/3 = 15
  7. This gives: -7/15.

The result of subtracting 3/9 and 4/5 is : -7/15 (or -0.46666666666667 in its decimal form)