Add 27/80 and 70/3, Solve 27/80 + 23 1/3 as a fraction

Add 27/80 and 70/3

1^st number: 27/80, 2^nd number: 23 1/3

27/80 + 70/3 is 5681/240.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 3 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 80 × 3 = 240,
27/80 = 27 × 3/80 × 3 = 81/240
Likewise, for the 2nd fraction, since 3 × 80 = 240,
70/3 = 70 × 80/3 × 80 = 5600/240
Add the two like fractions:
81/240 + 5600/240 = 81 + 5600/240 = 5681/240
So, 27/80 + 70/3 = 5681/240
In mixed form: 23161/240

MathStep (Works offline)

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