Add 14/12 and 81/14, Solve 1 2/12 + 5 11/14 as a fraction

Add 14/12 and 81/14

1^st number: 1 2/12, 2^nd number: 5 11/14

14/12 + 81/14 is 146/21.

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,
14/12 = 14 × 7/12 × 7 = 98/84
Likewise, for the 2nd fraction, since 14 × 6 = 84,
81/14 = 81 × 6/14 × 6 = 486/84
Add the two like fractions:
98/84 + 486/84 = 98 + 486/84 = 584/84
584/84 simplified gives 146/21
So, 14/12 + 81/14 = 146/21
In mixed form: 620/21

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