Add 81/18 and 30/14, Solve 4 9/18 + 2 2/14 as a fraction

Add 81/18 and 30/14

1^st number: 4 9/18, 2^nd number: 2 2/14

81/18 + 30/14 is 93/14.

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,
81/18 = 81 × 7/18 × 7 = 567/126
Likewise, for the 2nd fraction, since 14 × 9 = 126,
30/14 = 30 × 9/14 × 9 = 270/126
Add the two like fractions:
567/126 + 270/126 = 567 + 270/126 = 837/126
837/126 simplified gives 93/14
So, 81/18 + 30/14 = 93/14
In mixed form: 69/14

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