Add 28/18 and 81/12
1st number: 1 10/18, 2nd number: 6 9/12
28/18 + 81/12 is 299/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
28/18 = 28 × 2/18 × 2 = 56/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
81/12 = 81 × 3/12 × 3 = 243/36 - Add the two like fractions:
56/36 + 243/36 = 56 + 243/36 = 299/36 - So, 28/18 + 81/12 = 299/36
In mixed form: 811/36
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