Add 14/12 and 35/21, Solve 1 2/12 + 1 14/21 as a fraction

Add 14/12 and 35/21

1^st number: 1 2/12, 2^nd number: 1 14/21

14/12 + 35/21 is 17/6.

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

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
14/12 = 14 × 7/12 × 7 = 98/84
Likewise, for the 2nd fraction, since 21 × 4 = 84,
35/21 = 35 × 4/21 × 4 = 140/84
Add the two like fractions:
98/84 + 140/84 = 98 + 140/84 = 238/84
238/84 simplified gives 17/6
So, 14/12 + 35/21 = 17/6
In mixed form: 25/6

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