Add 12/24 and 21/7, Solve 12/24 + 3 0/7 as a fraction

Add 12/24 and 21/7

1^st number: 12/24, 2^nd number: 3 0/7

12/24 + 21/7 is 7/2.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 7 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 24 × 7 = 168,
12/24 = 12 × 7/24 × 7 = 84/168
Likewise, for the 2nd fraction, since 7 × 24 = 168,
21/7 = 21 × 24/7 × 24 = 504/168
Add the two like fractions:
84/168 + 504/168 = 84 + 504/168 = 588/168
588/168 simplified gives 7/2
So, 12/24 + 21/7 = 7/2
In mixed form: 31/2

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