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Subtract 42/30 from 7/24

1st number: 7/24, 2nd number: 1 12/30

7/24 - 42/30 is -133/120.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 30 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 24 × 5 = 120,
    7/24 = 7 × 5/24 × 5 = 35/120
  3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
    42/30 = 42 × 4/30 × 4 = 168/120
  4. Subtract the two like fractions:
    35/120 - 168/120 = 35 - 168/120 = -133/120

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