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Subtract 42/63 from 70/12

1st number: 5 10/12, 2nd number: 42/63

70/12 - 42/63 is 31/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 63 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 12 × 21 = 252,
    70/12 = 70 × 21/12 × 21 = 1470/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    42/63 = 42 × 4/63 × 4 = 168/252
  4. Subtract the two like fractions:
    1470/252 - 168/252 = 1470 - 168/252 = 1302/252
  5. After reducing the fraction, the answer is 31/6
  6. In mixed form: 51/6

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