Add 18/7 and 36/81, Solve 2 4/7 + 36/81 as a fraction

Add 18/7 and 36/81

1^st number: 2 4/7, 2^nd number: 36/81

18/7 + 36/81 is 190/63.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 81 is 567

Next, find the equivalent fraction of both fractional numbers with denominator 567
For the 1st fraction, since 7 × 81 = 567,
18/7 = 18 × 81/7 × 81 = 1458/567
Likewise, for the 2nd fraction, since 81 × 7 = 567,
36/81 = 36 × 7/81 × 7 = 252/567
Add the two like fractions:
1458/567 + 252/567 = 1458 + 252/567 = 1710/567
1710/567 simplified gives 190/63
So, 18/7 + 36/81 = 190/63
In mixed form: 31/63

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