Add 15/18 and 9/12
15/18 + 9/12 is 19/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
15/18 = 15 × 2/18 × 2 = 30/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
9/12 = 9 × 3/12 × 3 = 27/36 - Add the two like fractions:
30/36 + 27/36 = 30 + 27/36 = 57/36 - 57/36 simplified gives 19/12
- So, 15/18 + 9/12 = 19/12
In mixed form: 17/12
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