Add 27/6 and 28/80, Solve 4 3/6 + 28/80 as a fraction

Add 27/6 and 28/80

1^st number: 4 3/6, 2^nd number: 28/80

27/6 + 28/80 is 97/20.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 80 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 6 × 40 = 240,
27/6 = 27 × 40/6 × 40 = 1080/240
Likewise, for the 2nd fraction, since 80 × 3 = 240,
28/80 = 28 × 3/80 × 3 = 84/240
Add the two like fractions:
1080/240 + 84/240 = 1080 + 84/240 = 1164/240
1164/240 simplified gives 97/20
So, 27/6 + 28/80 = 97/20
In mixed form: 417/20

MathStep (Works offline)

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