Add 5/18 and 27/14, Solve 5/18 + 1 13/14 as a fraction

Add 5/18 and 27/14

1^st number: 5/18, 2^nd number: 1 13/14

5/18 + 27/14 is 139/63.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
5/18 = 5 × 7/18 × 7 = 35/126
Likewise, for the 2nd fraction, since 14 × 9 = 126,
27/14 = 27 × 9/14 × 9 = 243/126
Add the two like fractions:
35/126 + 243/126 = 35 + 243/126 = 278/126
278/126 simplified gives 139/63
So, 5/18 + 27/14 = 139/63
In mixed form: 213/63

MathStep (Works offline)

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