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Add 28/42 and 2/5

28/42 + 2/5 is 16/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 5 is 210
  2. For the 1st fraction, since 42 × 5 = 210,
    28/42 = 28 × 5/42 × 5 = 140/210
  3. Likewise, for the 2nd fraction, since 5 × 42 = 210,
    2/5 = 2 × 42/5 × 42 = 84/210
  4. Add the two fractions:
    140/210 + 84/210 = 140 + 84/210 = 224/210
  5. After reducing the fraction, the answer is 16/15
  6. In mixed form: 11/15

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