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Subtract 21/10 from 8/54

1st number: 8/54, 2nd number: 2 1/10

8/54 - 21/10 is -527/270.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 54 × 5 = 270,
    8/54 = 8 × 5/54 × 5 = 40/270
  3. Likewise, for the 2nd fraction, since 10 × 27 = 270,
    21/10 = 21 × 27/10 × 27 = 567/270
  4. Subtract the two like fractions:
    40/270 - 567/270 = 40 - 567/270 = -527/270

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