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Subtract 21/14 from 1/3

1st number: 1/3, 2nd number: 1 7/14

1/3 - 21/14 is -7/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 14 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 3 × 14 = 42,
    1/3 = 1 × 14/3 × 14 = 14/42
  3. Likewise, for the 2nd fraction, since 14 × 3 = 42,
    21/14 = 21 × 3/14 × 3 = 63/42
  4. Subtract the two like fractions:
    14/42 - 63/42 = 14 - 63/42 = -49/42
  5. After reducing the fraction, the answer is -7/6

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