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Subtract 9/21 from 15/14

1st number: 1 1/14, 2nd number: 9/21

15/14 - 9/21 is 9/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 21 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 14 × 3 = 42,
    15/14 = 15 × 3/14 × 3 = 45/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    9/21 = 9 × 2/21 × 2 = 18/42
  4. Subtract the two like fractions:
    45/42 - 18/42 = 45 - 18/42 = 27/42
  5. After reducing the fraction, the answer is 9/14

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