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Add 15/56 and 30/42

15/56 + 30/42 is 55/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 42 is 168
  2. For the 1st fraction, since 56 × 3 = 168,
    15/56 = 15 × 3/56 × 3 = 45/168
  3. Likewise, for the 2nd fraction, since 42 × 4 = 168,
    30/42 = 30 × 4/42 × 4 = 120/168
  4. Add the two fractions:
    45/168 + 120/168 = 45 + 120/168 = 165/168
  5. 165/168 simplified gives 55/56
  6. So, 15/56 + 30/42 = 55/56

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