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Add 28/42 and 20/24

28/42 + 20/24 is 3/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 24 is 168
  2. For the 1st fraction, since 42 × 4 = 168,
    28/42 = 28 × 4/42 × 4 = 112/168
  3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
    20/24 = 20 × 7/24 × 7 = 140/168
  4. Add the two fractions:
    112/168 + 140/168 = 112 + 140/168 = 252/168
  5. After reducing the fraction, the answer is 3/2
  6. In mixed form: 11/2

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