What is 1/3 minus 1/7?

Looking for the result of 1/3 - 1/7? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 1/3 by 1/7?

1 3 − 1 7 = (1 × 7) − (1 × 3) 3 × 7 = 4 21
  1. Multiply the numerator of the first term, with the denominator of the second term: 1 × 7 = 7
  2. Multiply the numerator of the second term, with the denominator of the first term: 1 × 3 = 3
  3. Subtract both of these results together to form the new numerator: 7 − 3 = 4
  4. Multiply both denominators together to form the new denominator: 3 × 7 = 21
  5. Combine the results to get the new fraction: 4/21

The result of subtracting 1/3 and 1/7 is : 4/21 (or 0.19047619047619 in its decimal form)