Add 7/18 and 81/14, Solve 7/18 + 5 11/14 as a fraction

Add 7/18 and 81/14

1^st number: 7/18, 2^nd number: 5 11/14

7/18 + 81/14 is 389/63.

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,
81/14 = 81 × 9/14 × 9 = 729/126
Add the two like fractions:
49/126 + 729/126 = 49 + 729/126 = 778/126
778/126 simplified gives 389/63
So, 7/18 + 81/14 = 389/63
In mixed form: 611/63

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