Add 40/12 and 48/9, Solve 3 4/12 + 5 3/9 as a fraction

Add 40/12 and 48/9

1^st number: 3 4/12, 2^nd number: 5 3/9

40/12 + 48/9 is 26/3.

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

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 12 × 3 = 36,
40/12 = 40 × 3/12 × 3 = 120/36
Likewise, for the 2nd fraction, since 9 × 4 = 36,
48/9 = 48 × 4/9 × 4 = 192/36
Add the two like fractions:
120/36 + 192/36 = 120 + 192/36 = 312/36
312/36 simplified gives 26/3
So, 40/12 + 48/9 = 26/3
In mixed form: 82/3

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