What is 3/9 minus 7/7?

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

How to subtract 3/9 by 7/7?

3 9 − 7 7 = (3 × 7) − (7 × 9) 9 × 7 = -42 63 = -2 3
  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: 7 × 9 = 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: 9 × 7 = 63
  5. Combine the results to get the new fraction: -42/63
  6. Simplify the fraction (-42/63) by dividing both the numerator and the denominator by their GCD (21):
    • -42/21 = -2
    • 63/21 = 3
  7. This gives: -2/3.

The result of subtracting 3/9 and 7/7 is : -2/3 (or -0.66666666666667 in its decimal form)