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Add 42/56 and 18/42

42/56 + 18/42 is 33/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 42 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 56 × 3 = 168,
    42/56 = 42 × 3/56 × 3 = 126/168
  3. Likewise, for the 2nd fraction, since 42 × 4 = 168,
    18/42 = 18 × 4/42 × 4 = 72/168
  4. Add the two like fractions:
    126/168 + 72/168 = 126 + 72/168 = 198/168
  5. 198/168 simplified gives 33/28
  6. So, 42/56 + 18/42 = 33/28
    In mixed form: 15/28

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