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Subtract 3/27 from 21/14

1st number: 1 7/14, 2nd number: 3/27

21/14 - 3/27 is 25/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 27 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 14 × 27 = 378,
    21/14 = 21 × 27/14 × 27 = 567/378
  3. Likewise, for the 2nd fraction, since 27 × 14 = 378,
    3/27 = 3 × 14/27 × 14 = 42/378
  4. Subtract the two like fractions:
    567/378 - 42/378 = 567 - 42/378 = 525/378
  5. After reducing the fraction, the answer is 25/18
  6. In mixed form: 17/18

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