Add 63/9 and 45/12, Solve 7 0/9 + 3 9/12 as a fraction

Add 63/9 and 45/12

1^st number: 7 0/9, 2^nd number: 3 9/12

63/9 + 45/12 is 43/4.

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,
63/9 = 63 × 4/9 × 4 = 252/36
Likewise, for the 2nd fraction, since 12 × 3 = 36,
45/12 = 45 × 3/12 × 3 = 135/36
Add the two like fractions:
252/36 + 135/36 = 252 + 135/36 = 387/36
387/36 simplified gives 43/4
So, 63/9 + 45/12 = 43/4
In mixed form: 103/4

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