Add 12/18 and 72/14, Solve 12/18 + 5 2/14 as a fraction

Add 12/18 and 72/14

1^st number: 12/18, 2^nd number: 5 2/14

12/18 + 72/14 is 122/21.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
12/18 = 12 × 7/18 × 7 = 84/126
Likewise, for the 2nd fraction, since 14 × 9 = 126,
72/14 = 72 × 9/14 × 9 = 648/126
Add the two like fractions:
84/126 + 648/126 = 84 + 648/126 = 732/126
732/126 simplified gives 122/21
So, 12/18 + 72/14 = 122/21
In mixed form: 517/21

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