Add 2/21 and 14/12, Solve 2/21 + 1 2/12 as a fraction

Add 2/21 and 14/12

1^st number: 2/21, 2^nd number: 1 2/12

2/21 + 14/12 is 53/42.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 12 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 21 × 4 = 84,
2/21 = 2 × 4/21 × 4 = 8/84
Likewise, for the 2nd fraction, since 12 × 7 = 84,
14/12 = 14 × 7/12 × 7 = 98/84
Add the two like fractions:
8/84 + 98/84 = 8 + 98/84 = 106/84
106/84 simplified gives 53/42
So, 2/21 + 14/12 = 53/42
In mixed form: 111/42

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