Add 80/27 and 8/20, Solve 2 26/27 + 8/20 as a fraction

Add 80/27 and 8/20

1^st number: 2 26/27, 2^nd number: 8/20

80/27 + 8/20 is 454/135.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540

Next, find the equivalent fraction of both fractional numbers with denominator 540
For the 1st fraction, since 27 × 20 = 540,
80/27 = 80 × 20/27 × 20 = 1600/540
Likewise, for the 2nd fraction, since 20 × 27 = 540,
8/20 = 8 × 27/20 × 27 = 216/540
Add the two like fractions:
1600/540 + 216/540 = 1600 + 216/540 = 1816/540
1816/540 simplified gives 454/135
So, 80/27 + 8/20 = 454/135
In mixed form: 349/135

MathStep (Works offline)

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