Add 27/48 and 80/30, Solve 27/48 + 2 20/30 as a fraction

Add 27/48 and 80/30

1^st number: 27/48, 2^nd number: 2 20/30

27/48 + 80/30 is 155/48.

Find the least common denominator or LCM of the two denominators:
LCM of 48 and 30 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 48 × 5 = 240,
27/48 = 27 × 5/48 × 5 = 135/240
Likewise, for the 2nd fraction, since 30 × 8 = 240,
80/30 = 80 × 8/30 × 8 = 640/240
Add the two like fractions:
135/240 + 640/240 = 135 + 640/240 = 775/240
775/240 simplified gives 155/48
So, 27/48 + 80/30 = 155/48
In mixed form: 311/48

MathStep (Works offline)

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