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Add 15/18 and 3/56

15/18 + 3/56 is 149/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 56 is 504
  2. For the 1st fraction, since 18 × 28 = 504,
    15/18 = 15 × 28/18 × 28 = 420/504
  3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
    3/56 = 3 × 9/56 × 9 = 27/504
  4. Add the two fractions:
    420/504 + 27/504 = 420 + 27/504 = 447/504
  5. After reducing the fraction, the answer is 149/168

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