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Add 20/12 and 42/30

1st number: 1 8/12, 2nd number: 1 12/30

20/12 + 42/30 is 46/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 30 is 60
  2. For the 1st fraction, since 12 × 5 = 60,
    20/12 = 20 × 5/12 × 5 = 100/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    42/30 = 42 × 2/30 × 2 = 84/60
  4. Add the two fractions:
    100/60 + 84/60 = 100 + 84/60 = 184/60
  5. After reducing the fraction, the answer is 46/15
  6. In mixed form: 31/15

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