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Subtract 30/35 from 16/84

16/84 - 30/35 is -2/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 35 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    16/84 = 16 × 5/84 × 5 = 80/420
  3. Likewise, for the 2nd fraction, since 35 × 12 = 420,
    30/35 = 30 × 12/35 × 12 = 360/420
  4. Subtract the two like fractions:
    80/420 - 360/420 = 80 - 360/420 = -280/420
  5. After reducing the fraction, the answer is -2/3

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