Add 18/28 and 81/6, Solve 18/28 + 13 3/6 as a fraction

Add 18/28 and 81/6

1^st number: 18/28, 2^nd number: 13 3/6

18/28 + 81/6 is 99/7.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 6 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 28 × 3 = 84,
18/28 = 18 × 3/28 × 3 = 54/84
Likewise, for the 2nd fraction, since 6 × 14 = 84,
81/6 = 81 × 14/6 × 14 = 1134/84
Add the two like fractions:
54/84 + 1134/84 = 54 + 1134/84 = 1188/84
1188/84 simplified gives 99/7
So, 18/28 + 81/6 = 99/7
In mixed form: 141/7

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