Add 81/18 and 6/7, Solve 4 9/18 + 6/7 as a fraction

Add 81/18 and 6/7

1^st number: 4 9/18, 2^nd number: 6/7

81/18 + 6/7 is 75/14.

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,
81/18 = 81 × 7/18 × 7 = 567/126
Likewise, for the 2nd fraction, since 7 × 18 = 126,
6/7 = 6 × 18/7 × 18 = 108/126
Add the two like fractions:
567/126 + 108/126 = 567 + 108/126 = 675/126
675/126 simplified gives 75/14
So, 81/18 + 6/7 = 75/14
In mixed form: 55/14

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