Add 42/27 and 27/18
1st number: 1 15/27, 2nd number: 1 9/18
42/27 + 27/18 is 55/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
42/27 = 42 × 2/27 × 2 = 84/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
27/18 = 27 × 3/18 × 3 = 81/54 - Add the two like fractions:
84/54 + 81/54 = 84 + 81/54 = 165/54 - 165/54 simplified gives 55/18
- So, 42/27 + 27/18 = 55/18
In mixed form: 31/18
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