Add 18/10 and 35/54, Solve 1 8/10 + 35/54 as a fraction

Add 18/10 and 35/54

1^st number: 1 8/10, 2^nd number: 35/54

18/10 + 35/54 is 661/270.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 54 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 10 × 27 = 270,
18/10 = 18 × 27/10 × 27 = 486/270
Likewise, for the 2nd fraction, since 54 × 5 = 270,
35/54 = 35 × 5/54 × 5 = 175/270
Add the two like fractions:
486/270 + 175/270 = 486 + 175/270 = 661/270
So, 18/10 + 35/54 = 661/270
In mixed form: 2121/270

MathStep (Works offline)

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