Add 27/6 and 64/20, Solve 4 3/6 + 3 4/20 as a fraction

Add 27/6 and 64/20

1^st number: 4 3/6, 2^nd number: 3 4/20

27/6 + 64/20 is 77/10.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 6 × 10 = 60,
27/6 = 27 × 10/6 × 10 = 270/60
Likewise, for the 2nd fraction, since 20 × 3 = 60,
64/20 = 64 × 3/20 × 3 = 192/60
Add the two like fractions:
270/60 + 192/60 = 270 + 192/60 = 462/60
462/60 simplified gives 77/10
So, 27/6 + 64/20 = 77/10
In mixed form: 77/10

MathStep (Works offline)

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