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Add 12/28 and 10/42

12/28 + 10/42 is 2/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 42 is 84
  2. For the 1st fraction, since 28 × 3 = 84,
    12/28 = 12 × 3/28 × 3 = 36/84
  3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
    10/42 = 10 × 2/42 × 2 = 20/84
  4. Add the two fractions:
    36/84 + 20/84 = 36 + 20/84 = 56/84
  5. After reducing the fraction, the answer is 2/3

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