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Subtract 5/7 from 3/84

3/84 - 5/7 is -19/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 7 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 84 × 1 = 84,
    3/84 = 3 × 1/84 × 1 = 3/84
  3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
    5/7 = 5 × 12/7 × 12 = 60/84
  4. Subtract the two like fractions:
    3/84 - 60/84 = 3 - 60/84 = -57/84
  5. After reducing the fraction, the answer is -19/28

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