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Subtract 35/8 from 4/42

1st number: 4/42, 2nd number: 4 3/8

4/42 - 35/8 is -719/168.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 8 is 168
  2. For the 1st fraction, since 42 × 4 = 168,
    4/42 = 4 × 4/42 × 4 = 16/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    35/8 = 35 × 21/8 × 21 = 735/168
  4. Subtract the two fractions:
    16/168 - 735/168 = 16 - 735/168 = -719/168

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