Add 40/12 and 9/14, Solve 3 4/12 + 9/14 as a fraction

Add 40/12 and 9/14

1^st number: 3 4/12, 2^nd number: 9/14

40/12 + 9/14 is 167/42.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 14 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
40/12 = 40 × 7/12 × 7 = 280/84
Likewise, for the 2nd fraction, since 14 × 6 = 84,
9/14 = 9 × 6/14 × 6 = 54/84
Add the two like fractions:
280/84 + 54/84 = 280 + 54/84 = 334/84
334/84 simplified gives 167/42
So, 40/12 + 9/14 = 167/42
In mixed form: 341/42

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