Add 81/54 and 35/9, Solve 1 27/54 + 3 8/9 as a fraction

Add 81/54 and 35/9

1^st number: 1 27/54, 2^nd number: 3 8/9

81/54 + 35/9 is 97/18.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 9 is 54

Next, find the equivalent fraction of both fractional numbers with denominator 54
For the 1st fraction, since 54 × 1 = 54,
81/54 = 81 × 1/54 × 1 = 81/54
Likewise, for the 2nd fraction, since 9 × 6 = 54,
35/9 = 35 × 6/9 × 6 = 210/54
Add the two like fractions:
81/54 + 210/54 = 81 + 210/54 = 291/54
291/54 simplified gives 97/18
So, 81/54 + 35/9 = 97/18
In mixed form: 57/18

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad