Add 5/45 and 80/54, Solve 5/45 + 1 26/54 as a fraction

Add 5/45 and 80/54

1^st number: 5/45, 2^nd number: 1 26/54

5/45 + 80/54 is 43/27.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 45 × 6 = 270,
5/45 = 5 × 6/45 × 6 = 30/270
Likewise, for the 2nd fraction, since 54 × 5 = 270,
80/54 = 80 × 5/54 × 5 = 400/270
Add the two like fractions:
30/270 + 400/270 = 30 + 400/270 = 430/270
430/270 simplified gives 43/27
So, 5/45 + 80/54 = 43/27
In mixed form: 116/27

MathStep (Works offline)

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