Add 20/12 and 15/27
1st number: 1 8/12, 2nd number: 15/27
20/12 + 15/27 is 20/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
20/12 = 20 × 9/12 × 9 = 180/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
15/27 = 15 × 4/27 × 4 = 60/108 - Add the two like fractions:
180/108 + 60/108 = 180 + 60/108 = 240/108 - 240/108 simplified gives 20/9
- So, 20/12 + 15/27 = 20/9
In mixed form: 22/9
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