Add 4/30 and 80/27, Solve 4/30 + 2 26/27 as a fraction

Add 4/30 and 80/27

1^st number: 4/30, 2^nd number: 2 26/27

4/30 + 80/27 is 418/135.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 30 × 9 = 270,
4/30 = 4 × 9/30 × 9 = 36/270
Likewise, for the 2nd fraction, since 27 × 10 = 270,
80/27 = 80 × 10/27 × 10 = 800/270
Add the two like fractions:
36/270 + 800/270 = 36 + 800/270 = 836/270
836/270 simplified gives 418/135
So, 4/30 + 80/27 = 418/135
In mixed form: 313/135

MathStep (Works offline)

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