Add 80/6 and 6/45, Solve 13 2/6 + 6/45 as a fraction

Add 80/6 and 6/45

1^st number: 13 2/6, 2^nd number: 6/45

80/6 + 6/45 is 202/15.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 6 × 15 = 90,
80/6 = 80 × 15/6 × 15 = 1200/90
Likewise, for the 2nd fraction, since 45 × 2 = 90,
6/45 = 6 × 2/45 × 2 = 12/90
Add the two like fractions:
1200/90 + 12/90 = 1200 + 12/90 = 1212/90
1212/90 simplified gives 202/15
So, 80/6 + 6/45 = 202/15
In mixed form: 137/15

MathStep (Works offline)

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