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Add 42/15 and 3/10

1st number: 2 12/15, 2nd number: 3/10

42/15 + 3/10 is 31/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 10 is 30
  2. For the 1st fraction, since 15 × 2 = 30,
    42/15 = 42 × 2/15 × 2 = 84/30
  3. Likewise, for the 2nd fraction, since 10 × 3 = 30,
    3/10 = 3 × 3/10 × 3 = 9/30
  4. Add the two fractions:
    84/30 + 9/30 = 84 + 9/30 = 93/30
  5. After reducing the fraction, the answer is 31/10
  6. In mixed form: 31/10

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