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Add 28/42 and 36/60

28/42 + 36/60 is 19/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 60 is 420
  2. For the 1st fraction, since 42 × 10 = 420,
    28/42 = 28 × 10/42 × 10 = 280/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    36/60 = 36 × 7/60 × 7 = 252/420
  4. Add the two fractions:
    280/420 + 252/420 = 280 + 252/420 = 532/420
  5. After reducing the fraction, the answer is 19/15
  6. In mixed form: 14/15

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