Add 28/27 and 21/9
1st number: 1 1/27, 2nd number: 2 3/9
28/27 + 21/9 is 91/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 9 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 27 × 1 = 27,
28/27 = 28 × 1/27 × 1 = 28/27 - Likewise, for the 2nd fraction, since 9 × 3 = 27,
21/9 = 21 × 3/9 × 3 = 63/27 - Add the two like fractions:
28/27 + 63/27 = 28 + 63/27 = 91/27 - So, 28/27 + 21/9 = 91/27
In mixed form: 310/27
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