Add 8/6 and 7/45, Solve 1 2/6 + 7/45 as a fraction

Add 8/6 and 7/45

1^st number: 1 2/6, 2^nd number: 7/45

8/6 + 7/45 is 67/45.

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,
8/6 = 8 × 15/6 × 15 = 120/90
Likewise, for the 2nd fraction, since 45 × 2 = 90,
7/45 = 7 × 2/45 × 2 = 14/90
Add the two like fractions:
120/90 + 14/90 = 120 + 14/90 = 134/90
134/90 simplified gives 67/45
So, 8/6 + 7/45 = 67/45
In mixed form: 122/45

MathStep (Works offline)

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