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Add 15/4 and 42/9

1st number: 3 3/4, 2nd number: 4 6/9

15/4 + 42/9 is 101/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 9 is 36
  2. For the 1st fraction, since 4 × 9 = 36,
    15/4 = 15 × 9/4 × 9 = 135/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    42/9 = 42 × 4/9 × 4 = 168/36
  4. Add the two fractions:
    135/36 + 168/36 = 135 + 168/36 = 303/36
  5. After reducing the fraction, the answer is 101/12
  6. In mixed form: 85/12

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