Add 9/18 and 20/12
1st number: 9/18, 2nd number: 1 8/12
9/18 + 20/12 is 13/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
9/18 = 9 × 2/18 × 2 = 18/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
20/12 = 20 × 3/12 × 3 = 60/36 - Add the two like fractions:
18/36 + 60/36 = 18 + 60/36 = 78/36 - 78/36 simplified gives 13/6
- So, 9/18 + 20/12 = 13/6
In mixed form: 21/6
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