Add 20/12 and 15/18
1st number: 1 8/12, 2nd number: 15/18
20/12 + 15/18 is 5/2.
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,
15/18 = 15 × 2/18 × 2 = 30/36 - Add the two like fractions:
60/36 + 30/36 = 60 + 30/36 = 90/36 - 90/36 simplified gives 5/2
- So, 20/12 + 15/18 = 5/2
In mixed form: 21/2
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