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Add 30/42 and 9/56

30/42 + 9/56 is 7/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 56 is 168
  2. For the 1st fraction, since 42 × 4 = 168,
    30/42 = 30 × 4/42 × 4 = 120/168
  3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
    9/56 = 9 × 3/56 × 3 = 27/168
  4. Add the two fractions:
    120/168 + 27/168 = 120 + 27/168 = 147/168
  5. After reducing the fraction, the answer is 7/8

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