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Subtract 12/60 from 4/84

4/84 - 12/60 is -16/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 60 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    4/84 = 4 × 5/84 × 5 = 20/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    12/60 = 12 × 7/60 × 7 = 84/420
  4. Subtract the two like fractions:
    20/420 - 84/420 = 20 - 84/420 = -64/420
  5. After reducing the fraction, the answer is -16/105

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