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Subtract 2/84 from 28/20

1st number: 1 8/20, 2nd number: 2/84

28/20 - 2/84 is 289/210.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 20 × 21 = 420,
    28/20 = 28 × 21/20 × 21 = 588/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    2/84 = 2 × 5/84 × 5 = 10/420
  4. Subtract the two like fractions:
    588/420 - 10/420 = 588 - 10/420 = 578/420
  5. After reducing the fraction, the answer is 289/210
  6. In mixed form: 179/210

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