Add 56/21 and 15/12, Solve 2 14/21 + 1 3/12 as a fraction

Add 56/21 and 15/12

1^st number: 2 14/21, 2^nd number: 1 3/12

56/21 + 15/12 is 47/12.

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,
56/21 = 56 × 4/21 × 4 = 224/84
Likewise, for the 2nd fraction, since 12 × 7 = 84,
15/12 = 15 × 7/12 × 7 = 105/84
Add the two like fractions:
224/84 + 105/84 = 224 + 105/84 = 329/84
329/84 simplified gives 47/12
So, 56/21 + 15/12 = 47/12
In mixed form: 311/12

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