Add 56/21 and 98/12, Solve 2 14/21 + 8 2/12 as a fraction

Add 56/21 and 98/12

1^st number: 2 14/21, 2^nd number: 8 2/12

56/21 + 98/12 is 65/6.

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,
98/12 = 98 × 7/12 × 7 = 686/84
Add the two like fractions:
224/84 + 686/84 = 224 + 686/84 = 910/84
910/84 simplified gives 65/6
So, 56/21 + 98/12 = 65/6
In mixed form: 105/6

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