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Add 3/12 and 5/28

3/12 + 5/28 is 3/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 28 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    3/12 = 3 × 7/12 × 7 = 21/84
  3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
    5/28 = 5 × 3/28 × 3 = 15/84
  4. Add the two like fractions:
    21/84 + 15/84 = 21 + 15/84 = 36/84
  5. 36/84 simplified gives 3/7
  6. So, 3/12 + 5/28 = 3/7

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