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Subtract 2/30 from 21/4

1st number: 5 1/4, 2nd number: 2/30

21/4 - 2/30 is 311/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 30 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 4 × 15 = 60,
    21/4 = 21 × 15/4 × 15 = 315/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    2/30 = 2 × 2/30 × 2 = 4/60
  4. Subtract the two like fractions:
    315/60 - 4/60 = 315 - 4/60 = 311/60
  5. In mixed form: 511/60

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