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Add 5/8 and 28/42

5/8 + 28/42 is 31/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 42 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 8 × 21 = 168,
    5/8 = 5 × 21/8 × 21 = 105/168
  3. Likewise, for the 2nd fraction, since 42 × 4 = 168,
    28/42 = 28 × 4/42 × 4 = 112/168
  4. Add the two like fractions:
    105/168 + 112/168 = 105 + 112/168 = 217/168
  5. 217/168 simplified gives 31/24
  6. So, 5/8 + 28/42 = 31/24
    In mixed form: 17/24

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