Add 12/4 and 15/9
1st number: 3 0/4, 2nd number: 1 6/9
12/4 + 15/9 is 14/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
12/4 = 12 × 9/4 × 9 = 108/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
15/9 = 15 × 4/9 × 4 = 60/36 - Add the two like fractions:
108/36 + 60/36 = 108 + 60/36 = 168/36 - 168/36 simplified gives 14/3
- So, 12/4 + 15/9 = 14/3
In mixed form: 42/3
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