Add 18/81 and 35/21, Solve 18/81 + 1 14/21 as a fraction

Add 18/81 and 35/21

1^st number: 18/81, 2^nd number: 1 14/21

18/81 + 35/21 is 17/9.

Find the least common denominator or LCM of the two denominators:
LCM of 81 and 21 is 567

Next, find the equivalent fraction of both fractional numbers with denominator 567
For the 1st fraction, since 81 × 7 = 567,
18/81 = 18 × 7/81 × 7 = 126/567
Likewise, for the 2nd fraction, since 21 × 27 = 567,
35/21 = 35 × 27/21 × 27 = 945/567
Add the two like fractions:
126/567 + 945/567 = 126 + 945/567 = 1071/567
1071/567 simplified gives 17/9
So, 18/81 + 35/21 = 17/9
In mixed form: 18/9

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