Add 1/12 and 56/21, Solve 1/12 + 2 14/21 as a fraction

Add 1/12 and 56/21

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

1/12 + 56/21 is 11/4.

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,
1/12 = 1 × 7/12 × 7 = 7/84
Likewise, for the 2nd fraction, since 21 × 4 = 84,
56/21 = 56 × 4/21 × 4 = 224/84
Add the two like fractions:
7/84 + 224/84 = 7 + 224/84 = 231/84
231/84 simplified gives 11/4
So, 1/12 + 56/21 = 11/4
In mixed form: 23/4

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