Add 40/12 and 35/10, Solve 3 4/12 + 3 5/10 as a fraction

Add 40/12 and 35/10

1^st number: 3 4/12, 2^nd number: 3 5/10

40/12 + 35/10 is 41/6.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 10 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 12 × 5 = 60,
40/12 = 40 × 5/12 × 5 = 200/60
Likewise, for the 2nd fraction, since 10 × 6 = 60,
35/10 = 35 × 6/10 × 6 = 210/60
Add the two like fractions:
200/60 + 210/60 = 200 + 210/60 = 410/60
410/60 simplified gives 41/6
So, 40/12 + 35/10 = 41/6
In mixed form: 65/6

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