Add 20/36 and 18/27
20/36 + 18/27 is 11/9.
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,
20/36 = 20 × 3/36 × 3 = 60/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
18/27 = 18 × 4/27 × 4 = 72/108 - Add the two like fractions:
60/108 + 72/108 = 60 + 72/108 = 132/108 - 132/108 simplified gives 11/9
- So, 20/36 + 18/27 = 11/9
In mixed form: 12/9
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