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Subtract 21/30 from 56/3

1st number: 18 2/3, 2nd number: 21/30

56/3 - 21/30 is 539/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 30 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 3 × 10 = 30,
    56/3 = 56 × 10/3 × 10 = 560/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    21/30 = 21 × 1/30 × 1 = 21/30
  4. Subtract the two like fractions:
    560/30 - 21/30 = 560 - 21/30 = 539/30
  5. In mixed form: 1729/30

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