Add 80/24 and 2/7, Solve 3 8/24 + 2/7 as a fraction

Add 80/24 and 2/7

1^st number: 3 8/24, 2^nd number: 2/7

80/24 + 2/7 is 76/21.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 7 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 24 × 7 = 168,
80/24 = 80 × 7/24 × 7 = 560/168
Likewise, for the 2nd fraction, since 7 × 24 = 168,
2/7 = 2 × 24/7 × 24 = 48/168
Add the two like fractions:
560/168 + 48/168 = 560 + 48/168 = 608/168
608/168 simplified gives 76/21
So, 80/24 + 2/7 = 76/21
In mixed form: 313/21

MathStep (Works offline)

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