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Add 6/28 and 12/20

6/28 + 12/20 is 57/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 20 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    6/28 = 6 × 5/28 × 5 = 30/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    12/20 = 12 × 7/20 × 7 = 84/140
  4. Add the two like fractions:
    30/140 + 84/140 = 30 + 84/140 = 114/140
  5. 114/140 simplified gives 57/70
  6. So, 6/28 + 12/20 = 57/70

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