Add 15/9 and 9/4
1st number: 1 6/9, 2nd number: 2 1/4
15/9 + 9/4 is 47/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
15/9 = 15 × 4/9 × 4 = 60/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
9/4 = 9 × 9/4 × 9 = 81/36 - Add the two like fractions:
60/36 + 81/36 = 60 + 81/36 = 141/36 - 141/36 simplified gives 47/12
- So, 15/9 + 9/4 = 47/12
In mixed form: 311/12
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