Add 28/18 and 42/27
1st number: 1 10/18, 2nd number: 1 15/27
28/18 + 42/27 is 28/9.
Steps for adding fractions
- 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 - For the 1st fraction, since 18 × 3 = 54,
28/18 = 28 × 3/18 × 3 = 84/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
42/27 = 42 × 2/27 × 2 = 84/54 - Add the two like fractions:
84/54 + 84/54 = 84 + 84/54 = 168/54 - 168/54 simplified gives 28/9
- So, 28/18 + 42/27 = 28/9
In mixed form: 31/9
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