Add 15/12 and 3/9
1st number: 1 3/12, 2nd number: 3/9
15/12 + 3/9 is 19/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
15/12 = 15 × 3/12 × 3 = 45/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
3/9 = 3 × 4/9 × 4 = 12/36 - Add the two like fractions:
45/36 + 12/36 = 45 + 12/36 = 57/36 - 57/36 simplified gives 19/12
- So, 15/12 + 3/9 = 19/12
In mixed form: 17/12
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