Add 30/9 and 90/12, Solve 3 3/9 + 7 6/12 as a fraction

Add 30/9 and 90/12

1^st number: 3 3/9, 2^nd number: 7 6/12

30/9 + 90/12 is 65/6.

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,
90/12 = 90 × 3/12 × 3 = 270/36
Add the two like fractions:
120/36 + 270/36 = 120 + 270/36 = 390/36
390/36 simplified gives 65/6
So, 30/9 + 90/12 = 65/6
In mixed form: 105/6

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