Add 27/54 and 64/10, Solve 27/54 + 6 4/10 as a fraction

Add 27/54 and 64/10

1^st number: 27/54, 2^nd number: 6 4/10

27/54 + 64/10 is 69/10.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 54 × 5 = 270,
27/54 = 27 × 5/54 × 5 = 135/270
Likewise, for the 2nd fraction, since 10 × 27 = 270,
64/10 = 64 × 27/10 × 27 = 1728/270
Add the two like fractions:
135/270 + 1728/270 = 135 + 1728/270 = 1863/270
1863/270 simplified gives 69/10
So, 27/54 + 64/10 = 69/10
In mixed form: 69/10

MathStep (Works offline)

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