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Subtract 84/30 from 10/42

1st number: 10/42, 2nd number: 2 24/30

10/42 - 84/30 is -269/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    10/42 = 10 × 5/42 × 5 = 50/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    84/30 = 84 × 7/30 × 7 = 588/210
  4. Subtract the two like fractions:
    50/210 - 588/210 = 50 - 588/210 = -538/210
  5. After reducing the fraction, the answer is -269/105

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