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Subtract 2/5 from 7/84

7/84 - 2/5 is -19/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 5 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    7/84 = 7 × 5/84 × 5 = 35/420
  3. Likewise, for the 2nd fraction, since 5 × 84 = 420,
    2/5 = 2 × 84/5 × 84 = 168/420
  4. Subtract the two like fractions:
    35/420 - 168/420 = 35 - 168/420 = -133/420
  5. After reducing the fraction, the answer is -19/60

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