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Add 7/15 and 12/28

7/15 + 12/28 is 94/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 28 is 420
  2. For the 1st fraction, since 15 × 28 = 420,
    7/15 = 7 × 28/15 × 28 = 196/420
  3. Likewise, for the 2nd fraction, since 28 × 15 = 420,
    12/28 = 12 × 15/28 × 15 = 180/420
  4. Add the two fractions:
    196/420 + 180/420 = 196 + 180/420 = 376/420
  5. After reducing the fraction, the answer is 94/105

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