Add 18/7 and 12/18, Solve 2 4/7 + 12/18 as a fraction

Add 18/7 and 12/18

1^st number: 2 4/7, 2^nd number: 12/18

18/7 + 12/18 is 68/21.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 7 × 18 = 126,
18/7 = 18 × 18/7 × 18 = 324/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
12/18 = 12 × 7/18 × 7 = 84/126
Add the two like fractions:
324/126 + 84/126 = 324 + 84/126 = 408/126
408/126 simplified gives 68/21
So, 18/7 + 12/18 = 68/21
In mixed form: 35/21

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