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Add 90/18 and 42/27

1st number: 5 0/18, 2nd number: 1 15/27

90/18 + 42/27 is 59/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 27 is 54

    Next, find the equivalent fraction of both fractional numbers with denominator 54
  2. For the 1st fraction, since 18 × 3 = 54,
    90/18 = 90 × 3/18 × 3 = 270/54
  3. Likewise, for the 2nd fraction, since 27 × 2 = 54,
    42/27 = 42 × 2/27 × 2 = 84/54
  4. Add the two like fractions:
    270/54 + 84/54 = 270 + 84/54 = 354/54
  5. 354/54 simplified gives 59/9
  6. So, 90/18 + 42/27 = 59/9
    In mixed form: 65/9

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