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Subtract 20/84 from 30/12

1st number: 2 6/12, 2nd number: 20/84

30/12 - 20/84 is 95/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 84 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    30/12 = 30 × 7/12 × 7 = 210/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    20/84 = 20 × 1/84 × 1 = 20/84
  4. Subtract the two like fractions:
    210/84 - 20/84 = 210 - 20/84 = 190/84
  5. After reducing the fraction, the answer is 95/42
  6. In mixed form: 211/42

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