Add 12/4 and 20/9
1st number: 3 0/4, 2nd number: 2 2/9
12/4 + 20/9 is 47/9.
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,
20/9 = 20 × 4/9 × 4 = 80/36 - Add the two like fractions:
108/36 + 80/36 = 108 + 80/36 = 188/36 - 188/36 simplified gives 47/9
- So, 12/4 + 20/9 = 47/9
In mixed form: 52/9
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