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Subtract 25/6 from 42/40

1st number: 1 2/40, 2nd number: 4 1/6

42/40 - 25/6 is -187/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 6 is 120
  2. For the 1st fraction, since 40 × 3 = 120,
    42/40 = 42 × 3/40 × 3 = 126/120
  3. Likewise, for the 2nd fraction, since 6 × 20 = 120,
    25/6 = 25 × 20/6 × 20 = 500/120
  4. Subtract the two fractions:
    126/120 - 500/120 = 126 - 500/120 = -374/120
  5. After reducing the fraction, the answer is -187/60

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