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Subtract 2/14 from 21/54

21/54 - 2/14 is 31/126.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 14 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    21/54 = 21 × 7/54 × 7 = 147/378
  3. Likewise, for the 2nd fraction, since 14 × 27 = 378,
    2/14 = 2 × 27/14 × 27 = 54/378
  4. Subtract the two like fractions:
    147/378 - 54/378 = 147 - 54/378 = 93/378
  5. After reducing the fraction, the answer is 31/126

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