Add 9/18 and 15/9
1st number: 9/18, 2nd number: 1 6/9
9/18 + 15/9 is 13/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
9/18 = 9 × 1/18 × 1 = 9/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
15/9 = 15 × 2/9 × 2 = 30/18 - Add the two like fractions:
9/18 + 30/18 = 9 + 30/18 = 39/18 - 39/18 simplified gives 13/6
- So, 9/18 + 15/9 = 13/6
In mixed form: 21/6
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