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Subtract 5/18 from 10/84

10/84 - 5/18 is -10/63.

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,
    10/84 = 10 × 3/84 × 3 = 30/252
  3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
    5/18 = 5 × 14/18 × 14 = 70/252
  4. Subtract the two like fractions:
    30/252 - 70/252 = 30 - 70/252 = -40/252
  5. After reducing the fraction, the answer is -10/63

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