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Subtract 10/18 from 84/42

1st number: 2 0/42, 2nd number: 10/18

84/42 - 10/18 is 13/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 18 is 126
  2. For the 1st fraction, since 42 × 3 = 126,
    84/42 = 84 × 3/42 × 3 = 252/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    10/18 = 10 × 7/18 × 7 = 70/126
  4. Subtract the two fractions:
    252/126 - 70/126 = 252 - 70/126 = 182/126
  5. After reducing the fraction, the answer is 13/9
  6. In mixed form: 14/9

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