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Subtract 10/42 from 84/8

1st number: 10 4/8, 2nd number: 10/42

84/8 - 10/42 is 431/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 42 is 168
  2. For the 1st fraction, since 8 × 21 = 168,
    84/8 = 84 × 21/8 × 21 = 1764/168
  3. Likewise, for the 2nd fraction, since 42 × 4 = 168,
    10/42 = 10 × 4/42 × 4 = 40/168
  4. Subtract the two fractions:
    1764/168 - 40/168 = 1764 - 40/168 = 1724/168
  5. After reducing the fraction, the answer is 431/42
  6. In mixed form: 1011/42

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