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Add 16/20 and 2/42

16/20 + 2/42 is 89/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 42 is 420
  2. For the 1st fraction, since 20 × 21 = 420,
    16/20 = 16 × 21/20 × 21 = 336/420
  3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
    2/42 = 2 × 10/42 × 10 = 20/420
  4. Add the two fractions:
    336/420 + 20/420 = 336 + 20/420 = 356/420
  5. After reducing the fraction, the answer is 89/105

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