Add 21/36 and 15/27
21/36 + 15/27 is 41/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 36 × 3 = 108,
21/36 = 21 × 3/36 × 3 = 63/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
15/27 = 15 × 4/27 × 4 = 60/108 - Add the two like fractions:
63/108 + 60/108 = 63 + 60/108 = 123/108 - 123/108 simplified gives 41/36
- So, 21/36 + 15/27 = 41/36
In mixed form: 15/36
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