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Add 15/18 and 42/16

1st number: 15/18, 2nd number: 2 10/16

15/18 + 42/16 is 83/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 16 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 18 × 8 = 144,
    15/18 = 15 × 8/18 × 8 = 120/144
  3. Likewise, for the 2nd fraction, since 16 × 9 = 144,
    42/16 = 42 × 9/16 × 9 = 378/144
  4. Add the two like fractions:
    120/144 + 378/144 = 120 + 378/144 = 498/144
  5. 498/144 simplified gives 83/24
  6. So, 15/18 + 42/16 = 83/24
    In mixed form: 311/24

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