Add 21/27 and 27/12
1st number: 21/27, 2nd number: 2 3/12
21/27 + 27/12 is 109/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
21/27 = 21 × 4/27 × 4 = 84/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
27/12 = 27 × 9/12 × 9 = 243/108 - Add the two like fractions:
84/108 + 243/108 = 84 + 243/108 = 327/108 - 327/108 simplified gives 109/36
- So, 21/27 + 27/12 = 109/36
In mixed form: 31/36
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