Add 21/27 and 5/9
21/27 + 5/9 is 4/3.
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,
21/27 = 21 × 1/27 × 1 = 21/27 - Likewise, for the 2nd fraction, since 9 × 3 = 27,
5/9 = 5 × 3/9 × 3 = 15/27 - Add the two like fractions:
21/27 + 15/27 = 21 + 15/27 = 36/27 - 36/27 simplified gives 4/3
- So, 21/27 + 5/9 = 4/3
In mixed form: 11/3
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