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Subtract 5/54 from 21/10

1st number: 2 1/10, 2nd number: 5/54

21/10 - 5/54 is 271/135.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 10 × 27 = 270,
    21/10 = 21 × 27/10 × 27 = 567/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    5/54 = 5 × 5/54 × 5 = 25/270
  4. Subtract the two like fractions:
    567/270 - 25/270 = 567 - 25/270 = 542/270
  5. After reducing the fraction, the answer is 271/135
  6. In mixed form: 21/135

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