Add 30/36 and 21/12
1st number: 30/36, 2nd number: 1 9/12
30/36 + 21/12 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
30/36 = 30 × 1/36 × 1 = 30/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
21/12 = 21 × 3/12 × 3 = 63/36 - Add the two like fractions:
30/36 + 63/36 = 30 + 63/36 = 93/36 - 93/36 simplified gives 31/12
- So, 30/36 + 21/12 = 31/12
In mixed form: 27/12
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