Add 1/14 and 40/12, Solve 1/14 + 3 4/12 as a fraction

Add 1/14 and 40/12

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

1/14 + 40/12 is 143/42.

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

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 14 × 6 = 84,
1/14 = 1 × 6/14 × 6 = 6/84
Likewise, for the 2nd fraction, since 12 × 7 = 84,
40/12 = 40 × 7/12 × 7 = 280/84
Add the two like fractions:
6/84 + 280/84 = 6 + 280/84 = 286/84
286/84 simplified gives 143/42
So, 1/14 + 40/12 = 143/42
In mixed form: 317/42

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