Add 50/9 and 40/12, Solve 5 5/9 + 3 4/12 as a fraction

Add 50/9 and 40/12

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

50/9 + 40/12 is 80/9.

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,
50/9 = 50 × 4/9 × 4 = 200/36
Likewise, for the 2nd fraction, since 12 × 3 = 36,
40/12 = 40 × 3/12 × 3 = 120/36
Add the two like fractions:
200/36 + 120/36 = 200 + 120/36 = 320/36
320/36 simplified gives 80/9
So, 50/9 + 40/12 = 80/9
In mixed form: 88/9

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