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Subtract 70/84 from 42/24

1st number: 1 18/24, 2nd number: 70/84

42/24 - 70/84 is 11/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 84 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 24 × 7 = 168,
    42/24 = 42 × 7/24 × 7 = 294/168
  3. Likewise, for the 2nd fraction, since 84 × 2 = 168,
    70/84 = 70 × 2/84 × 2 = 140/168
  4. Subtract the two like fractions:
    294/168 - 140/168 = 294 - 140/168 = 154/168
  5. After reducing the fraction, the answer is 11/12

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