Add 54/81 and 81/18, Solve 54/81 + 4 9/18 as a fraction

Add 54/81 and 81/18

1^st number: 54/81, 2^nd number: 4 9/18

54/81 + 81/18 is 31/6.

Find the least common denominator or LCM of the two denominators:
LCM of 81 and 18 is 162

Next, find the equivalent fraction of both fractional numbers with denominator 162
For the 1st fraction, since 81 × 2 = 162,
54/81 = 54 × 2/81 × 2 = 108/162
Likewise, for the 2nd fraction, since 18 × 9 = 162,
81/18 = 81 × 9/18 × 9 = 729/162
Add the two like fractions:
108/162 + 729/162 = 108 + 729/162 = 837/162
837/162 simplified gives 31/6
So, 54/81 + 81/18 = 31/6
In mixed form: 51/6

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