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Add 42/24 and 15/18

1st number: 1 18/24, 2nd number: 15/18

42/24 + 15/18 is 31/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 18 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 24 × 3 = 72,
    42/24 = 42 × 3/24 × 3 = 126/72
  3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
    15/18 = 15 × 4/18 × 4 = 60/72
  4. Add the two like fractions:
    126/72 + 60/72 = 126 + 60/72 = 186/72
  5. 186/72 simplified gives 31/12
  6. So, 42/24 + 15/18 = 31/12
    In mixed form: 27/12

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