Add 20/3 and 15/18
1st number: 6 2/3, 2nd number: 15/18
20/3 + 15/18 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 3 × 6 = 18,
20/3 = 20 × 6/3 × 6 = 120/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
15/18 = 15 × 1/18 × 1 = 15/18 - Add the two like fractions:
120/18 + 15/18 = 120 + 15/18 = 135/18 - 135/18 simplified gives 15/2
- So, 20/3 + 15/18 = 15/2
In mixed form: 71/2
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