Add 20/12 and 3/18
1st number: 1 8/12, 2nd number: 3/18
20/12 + 3/18 is 11/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
20/12 = 20 × 3/12 × 3 = 60/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
3/18 = 3 × 2/18 × 2 = 6/36 - Add the two like fractions:
60/36 + 6/36 = 60 + 6/36 = 66/36 - 66/36 simplified gives 11/6
- So, 20/12 + 3/18 = 11/6
In mixed form: 15/6
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