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Subtract 24/5 from 30/42

1st number: 30/42, 2nd number: 4 4/5

30/42 - 24/5 is -143/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 5 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    30/42 = 30 × 5/42 × 5 = 150/210
  3. Likewise, for the 2nd fraction, since 5 × 42 = 210,
    24/5 = 24 × 42/5 × 42 = 1008/210
  4. Subtract the two like fractions:
    150/210 - 1008/210 = 150 - 1008/210 = -858/210
  5. After reducing the fraction, the answer is -143/35

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