Add 27/6 and 6/45, Solve 4 3/6 + 6/45 as a fraction

Add 27/6 and 6/45

1^st number: 4 3/6, 2^nd number: 6/45

27/6 + 6/45 is 139/30.

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,
27/6 = 27 × 15/6 × 15 = 405/90
Likewise, for the 2nd fraction, since 45 × 2 = 90,
6/45 = 6 × 2/45 × 2 = 12/90
Add the two like fractions:
405/90 + 12/90 = 405 + 12/90 = 417/90
417/90 simplified gives 139/30
So, 27/6 + 6/45 = 139/30
In mixed form: 419/30

MathStep (Works offline)

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