Add 27/12 and 42/18
1st number: 2 3/12, 2nd number: 2 6/18
27/12 + 42/18 is 55/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
27/12 = 27 × 3/12 × 3 = 81/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
42/18 = 42 × 2/18 × 2 = 84/36 - Add the two like fractions:
81/36 + 84/36 = 81 + 84/36 = 165/36 - 165/36 simplified gives 55/12
- So, 27/12 + 42/18 = 55/12
In mixed form: 47/12
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