What is 3/7 minus 9/7?

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

How to subtract 3/7 by 9/7?

3 7 − 9 7 = (3 × 7) − (9 × 7) 7 × 7 = -42 49 = -6 7
  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 × 7 = 63
  3. Subtract both of these results together to form the new numerator: 21 − 63 = -42
  4. Multiply both denominators together to form the new denominator: 7 × 7 = 49
  5. Combine the results to get the new fraction: -42/49
  6. Simplify the fraction (-42/49) by dividing both the numerator and the denominator by their GCD (7):
    • -42/7 = -6
    • 49/7 = 7
  7. This gives: -6/7.

The result of subtracting 3/7 and 9/7 is : -6/7 (or -0.85714285714286 in its decimal form)