Add 20/27 and 98/12, Solve 20/27 + 8 2/12 as a fraction

Add 20/27 and 98/12

1^st number: 20/27, 2^nd number: 8 2/12

20/27 + 98/12 is 481/54.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 27 × 4 = 108,
20/27 = 20 × 4/27 × 4 = 80/108
Likewise, for the 2nd fraction, since 12 × 9 = 108,
98/12 = 98 × 9/12 × 9 = 882/108
Add the two like fractions:
80/108 + 882/108 = 80 + 882/108 = 962/108
962/108 simplified gives 481/54
So, 20/27 + 98/12 = 481/54
In mixed form: 849/54

MathStep (Works offline)

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