Add 21/12 and 5/36
1st number: 1 9/12, 2nd number: 5/36
21/12 + 5/36 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
21/12 = 21 × 3/12 × 3 = 63/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
5/36 = 5 × 1/36 × 1 = 5/36 - Add the two like fractions:
63/36 + 5/36 = 63 + 5/36 = 68/36 - 68/36 simplified gives 17/9
- So, 21/12 + 5/36 = 17/9
In mixed form: 18/9
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