Add 12/3 and 21/27
1st number: 4 0/3, 2nd number: 21/27
12/3 + 21/27 is 43/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 3 × 9 = 27,
12/3 = 12 × 9/3 × 9 = 108/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
21/27 = 21 × 1/27 × 1 = 21/27 - Add the two like fractions:
108/27 + 21/27 = 108 + 21/27 = 129/27 - 129/27 simplified gives 43/9
- So, 12/3 + 21/27 = 43/9
In mixed form: 47/9
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