Add 7/18 and 21/14, Solve 7/18 + 1 7/14 as a fraction

Add 7/18 and 21/14

1^st number: 7/18, 2^nd number: 1 7/14

7/18 + 21/14 is 17/9.

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,
7/18 = 7 × 7/18 × 7 = 49/126
Likewise, for the 2nd fraction, since 14 × 9 = 126,
21/14 = 21 × 9/14 × 9 = 189/126
Add the two like fractions:
49/126 + 189/126 = 49 + 189/126 = 238/126
238/126 simplified gives 17/9
So, 7/18 + 21/14 = 17/9
In mixed form: 18/9

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