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Subtract 48/30 from 81/4

1st number: 20 1/4, 2nd number: 1 18/30

81/4 - 48/30 is 373/20.

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,
    81/4 = 81 × 15/4 × 15 = 1215/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    48/30 = 48 × 2/30 × 2 = 96/60
  4. Subtract the two like fractions:
    1215/60 - 96/60 = 1215 - 96/60 = 1119/60
  5. After reducing the fraction, the answer is 373/20
  6. In mixed form: 1813/20

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