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Add 20/42 and 60/18

1st number: 20/42, 2nd number: 3 6/18

20/42 + 60/18 is 80/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 18 is 126
  2. For the 1st fraction, since 42 × 3 = 126,
    20/42 = 20 × 3/42 × 3 = 60/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    60/18 = 60 × 7/18 × 7 = 420/126
  4. Add the two fractions:
    60/126 + 420/126 = 60 + 420/126 = 480/126
  5. After reducing the fraction, the answer is 80/21
  6. In mixed form: 317/21

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