What is 3/9 minus 2/7?

Looking for the result of 3/9 - 2/7? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 3/9 by 2/7?

3 9 − 2 7 = (3 × 7) − (2 × 9) 9 × 7 = 3 63 = 1 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: 2 × 9 = 18
  3. Subtract both of these results together to form the new numerator: 21 − 18 = 3
  4. Multiply both denominators together to form the new denominator: 9 × 7 = 63
  5. Combine the results to get the new fraction: 3/63
  6. Simplify the fraction (3/63) by dividing both the numerator and the denominator by their GCD (3):
    • 3/3 = 1
    • 63/3 = 21
  7. This gives: 1/21.

The result of subtracting 3/9 and 2/7 is : 1/21 (or 0.047619047619048 in its decimal form)