Add 14/21 and 80/10, Solve 14/21 + 8 0/10 as a fraction

Add 14/21 and 80/10

1^st number: 14/21, 2^nd number: 8 0/10

14/21 + 80/10 is 26/3.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 21 × 10 = 210,
14/21 = 14 × 10/21 × 10 = 140/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
80/10 = 80 × 21/10 × 21 = 1680/210
Add the two like fractions:
140/210 + 1680/210 = 140 + 1680/210 = 1820/210
1820/210 simplified gives 26/3
So, 14/21 + 80/10 = 26/3
In mixed form: 82/3

MathStep (Works offline)

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