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Subtract 70/84 from 42/12

1st number: 3 6/12, 2nd number: 70/84

42/12 - 70/84 is 8/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 84 is 84
  2. For the 1st fraction, since 12 × 7 = 84,
    42/12 = 42 × 7/12 × 7 = 294/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    70/84 = 70 × 1/84 × 1 = 70/84
  4. Subtract the two fractions:
    294/84 - 70/84 = 294 - 70/84 = 224/84
  5. After reducing the fraction, the answer is 8/3
  6. In mixed form: 22/3

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