Add 30/9 and 7/12, Solve 3 3/9 + 7/12 as a fraction

Add 30/9 and 7/12

1^st number: 3 3/9, 2^nd number: 7/12

30/9 + 7/12 is 47/12.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 9 × 4 = 36,
30/9 = 30 × 4/9 × 4 = 120/36
Likewise, for the 2nd fraction, since 12 × 3 = 36,
7/12 = 7 × 3/12 × 3 = 21/36
Add the two like fractions:
120/36 + 21/36 = 120 + 21/36 = 141/36
141/36 simplified gives 47/12
So, 30/9 + 7/12 = 47/12
In mixed form: 311/12

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