Add 8/12 and 45/21, Solve 8/12 + 2 3/21 as a fraction

Add 8/12 and 45/21

1^st number: 8/12, 2^nd number: 2 3/21

8/12 + 45/21 is 59/21.

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,
8/12 = 8 × 7/12 × 7 = 56/84
Likewise, for the 2nd fraction, since 21 × 4 = 84,
45/21 = 45 × 4/21 × 4 = 180/84
Add the two like fractions:
56/84 + 180/84 = 56 + 180/84 = 236/84
236/84 simplified gives 59/21
So, 8/12 + 45/21 = 59/21
In mixed form: 217/21

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