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Add 18/12 and 90/5

1st number: 1 6/12, 2nd number: 18 0/5

18/12 + 90/5 is 39/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 5 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    18/12 = 18 × 5/12 × 5 = 90/60
  3. Likewise, for the 2nd fraction, since 5 × 12 = 60,
    90/5 = 90 × 12/5 × 12 = 1080/60
  4. Add the two like fractions:
    90/60 + 1080/60 = 90 + 1080/60 = 1170/60
  5. 1170/60 simplified gives 39/2
  6. So, 18/12 + 90/5 = 39/2
    In mixed form: 191/2

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