Add 28/9 and 72/98, Solve 3 1/9 + 72/98 as a fraction

Add 28/9 and 72/98

1^st number: 3 1/9, 2^nd number: 72/98

28/9 + 72/98 is 1696/441.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 98 is 882

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 9 × 98 = 882,
28/9 = 28 × 98/9 × 98 = 2744/882
Likewise, for the 2nd fraction, since 98 × 9 = 882,
72/98 = 72 × 9/98 × 9 = 648/882
Add the two like fractions:
2744/882 + 648/882 = 2744 + 648/882 = 3392/882
3392/882 simplified gives 1696/441
So, 28/9 + 72/98 = 1696/441
In mixed form: 3373/441

MathStep (Works offline)

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