Add 12/4 and 21/36
1st number: 3 0/4, 2nd number: 21/36
12/4 + 21/36 is 43/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
12/4 = 12 × 9/4 × 9 = 108/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
21/36 = 21 × 1/36 × 1 = 21/36 - Add the two like fractions:
108/36 + 21/36 = 108 + 21/36 = 129/36 - 129/36 simplified gives 43/12
- So, 12/4 + 21/36 = 43/12
In mixed form: 37/12
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