Add 16/18 and 21/7, Solve 16/18 + 3 0/7 as a fraction

Add 16/18 and 21/7

1^st number: 16/18, 2^nd number: 3 0/7

16/18 + 21/7 is 35/9.

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,
16/18 = 16 × 7/18 × 7 = 112/126
Likewise, for the 2nd fraction, since 7 × 18 = 126,
21/7 = 21 × 18/7 × 18 = 378/126
Add the two like fractions:
112/126 + 378/126 = 112 + 378/126 = 490/126
490/126 simplified gives 35/9
So, 16/18 + 21/7 = 35/9
In mixed form: 38/9

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