Add 3/18 and 15/7, Solve 3/18 + 2 1/7 as a fraction

Add 3/18 and 15/7

1^st number: 3/18, 2^nd number: 2 1/7

3/18 + 15/7 is 97/42.

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

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
3/18 = 3 × 7/18 × 7 = 21/126
Likewise, for the 2nd fraction, since 7 × 18 = 126,
15/7 = 15 × 18/7 × 18 = 270/126
Add the two like fractions:
21/126 + 270/126 = 21 + 270/126 = 291/126
291/126 simplified gives 97/42
So, 3/18 + 15/7 = 97/42
In mixed form: 213/42

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