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Subtract 42/18 from 5/84

1st number: 5/84, 2nd number: 2 6/18

5/84 - 42/18 is -191/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 18 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 84 × 3 = 252,
    5/84 = 5 × 3/84 × 3 = 15/252
  3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
    42/18 = 42 × 14/18 × 14 = 588/252
  4. Subtract the two like fractions:
    15/252 - 588/252 = 15 - 588/252 = -573/252
  5. After reducing the fraction, the answer is -191/84

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