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Subtract 21/48 from 70/4

1st number: 17 2/4, 2nd number: 21/48

70/4 - 21/48 is 273/16.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 48 is 48

    Next, find the equivalent fraction of both fractional numbers with denominator 48
  2. For the 1st fraction, since 4 × 12 = 48,
    70/4 = 70 × 12/4 × 12 = 840/48
  3. Likewise, for the 2nd fraction, since 48 × 1 = 48,
    21/48 = 21 × 1/48 × 1 = 21/48
  4. Subtract the two like fractions:
    840/48 - 21/48 = 840 - 21/48 = 819/48
  5. After reducing the fraction, the answer is 273/16
  6. In mixed form: 171/16

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