What is 3/9 minus 8/5?

Looking for the result of 3/9 - 8/5? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 3/9 by 8/5?

3 9 − 8 5 = (3 × 5) − (8 × 9) 9 × 5 = -57 45 = -19 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: 8 × 9 = 72
  3. Subtract both of these results together to form the new numerator: 15 − 72 = -57
  4. Multiply both denominators together to form the new denominator: 9 × 5 = 45
  5. Combine the results to get the new fraction: -57/45
  6. Simplify the fraction (-57/45) by dividing both the numerator and the denominator by their GCD (3):
    • -57/3 = -19
    • 45/3 = 15
  7. This gives: -19/15.

The result of subtracting 3/9 and 8/5 is : -19/15 (or -1.2666666666667 in its decimal form)