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Add 42/15 and 7/5

1st number: 2 12/15, 2nd number: 1 2/5

42/15 + 7/5 is 21/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 5 is 15
  2. For the 1st fraction, since 15 × 1 = 15,
    42/15 = 42 × 1/15 × 1 = 42/15
  3. Likewise, for the 2nd fraction, since 5 × 3 = 15,
    7/5 = 7 × 3/5 × 3 = 21/15
  4. Add the two fractions:
    42/15 + 21/15 = 42 + 21/15 = 63/15
  5. After reducing the fraction, the answer is 21/5
  6. In mixed form: 41/5

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