Add 12/3 and 21/36
1st number: 4 0/3, 2nd number: 21/36
12/3 + 21/36 is 55/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 3 × 12 = 36,
12/3 = 12 × 12/3 × 12 = 144/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
21/36 = 21 × 1/36 × 1 = 21/36 - Add the two like fractions:
144/36 + 21/36 = 144 + 21/36 = 165/36 - 165/36 simplified gives 55/12
- So, 12/3 + 21/36 = 55/12
In mixed form: 47/12
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