Add 15/6 and 21/18
1st number: 2 3/6, 2nd number: 1 3/18
15/6 + 21/18 is 11/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,
15/6 = 15 × 3/6 × 3 = 45/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
21/18 = 21 × 1/18 × 1 = 21/18 - Add the two like fractions:
45/18 + 21/18 = 45 + 21/18 = 66/18 - 66/18 simplified gives 11/3
- So, 15/6 + 21/18 = 11/3
In mixed form: 32/3
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