Add 14/12 and 25/21, Solve 1 2/12 + 1 4/21 as a fraction

Add 14/12 and 25/21

1^st number: 1 2/12, 2^nd number: 1 4/21

14/12 + 25/21 is 33/14.

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,
25/21 = 25 × 4/21 × 4 = 100/84
Add the two like fractions:
98/84 + 100/84 = 98 + 100/84 = 198/84
198/84 simplified gives 33/14
So, 14/12 + 25/21 = 33/14
In mixed form: 25/14

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