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Subtract 18/3 from 7/84

1st number: 7/84, 2nd number: 6 0/3

7/84 - 18/3 is -71/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 3 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 84 × 1 = 84,
    7/84 = 7 × 1/84 × 1 = 7/84
  3. Likewise, for the 2nd fraction, since 3 × 28 = 84,
    18/3 = 18 × 28/3 × 28 = 504/84
  4. Subtract the two like fractions:
    7/84 - 504/84 = 7 - 504/84 = -497/84
  5. After reducing the fraction, the answer is -71/12

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