What is 3/9 minus 9/7?

Looking for the result of 3/9 - 9/7? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 3/9 by 9/7?

3 9 − 9 7 = (3 × 7) − (9 × 9) 9 × 7 = -60 63 = -20 21
  1. Multiply the numerator of the first term, with the denominator of the second term: 3 × 7 = 21
  2. Multiply the numerator of the second term, with the denominator of the first term: 9 × 9 = 81
  3. Subtract both of these results together to form the new numerator: 21 − 81 = -60
  4. Multiply both denominators together to form the new denominator: 9 × 7 = 63
  5. Combine the results to get the new fraction: -60/63
  6. Simplify the fraction (-60/63) by dividing both the numerator and the denominator by their GCD (3):
    • -60/3 = -20
    • 63/3 = 21
  7. This gives: -20/21.

The result of subtracting 3/9 and 9/7 is : -20/21 (or -0.95238095238095 in its decimal form)