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Subtract 18/4 from 5/84

1st number: 5/84, 2nd number: 4 2/4

5/84 - 18/4 is -373/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 4 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 84 × 1 = 84,
    5/84 = 5 × 1/84 × 1 = 5/84
  3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
    18/4 = 18 × 21/4 × 21 = 378/84
  4. Subtract the two like fractions:
    5/84 - 378/84 = 5 - 378/84 = -373/84

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