Add 21/36 and 7/12
21/36 + 7/12 is 7/6.
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,
21/36 = 21 × 1/36 × 1 = 21/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
7/12 = 7 × 3/12 × 3 = 21/36 - Add the two like fractions:
21/36 + 21/36 = 21 + 21/36 = 42/36 - 42/36 simplified gives 7/6
- So, 21/36 + 7/12 = 7/6
In mixed form: 11/6
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