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Add 12/18 and 42/5

1st number: 12/18, 2nd number: 8 2/5

12/18 + 42/5 is 136/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 5 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    12/18 = 12 × 5/18 × 5 = 60/90
  3. Likewise, for the 2nd fraction, since 5 × 18 = 90,
    42/5 = 42 × 18/5 × 18 = 756/90
  4. Add the two like fractions:
    60/90 + 756/90 = 60 + 756/90 = 816/90
  5. 816/90 simplified gives 136/15
  6. So, 12/18 + 42/5 = 136/15
    In mixed form: 91/15

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