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Subtract 42/60 from 21/4

1st number: 5 1/4, 2nd number: 42/60

21/4 - 42/60 is 91/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 60 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 60 × 1 = 60,
    42/60 = 42 × 1/60 × 1 = 42/60
  4. Subtract the two like fractions:
    315/60 - 42/60 = 315 - 42/60 = 273/60
  5. After reducing the fraction, the answer is 91/20
  6. In mixed form: 411/20

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