Add 7/98 and 84/9, Solve 7/98 + 9 3/9 as a fraction

Add 7/98 and 84/9

1^st number: 7/98, 2^nd number: 9 3/9

7/98 + 84/9 is 395/42.

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

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 98 × 9 = 882,
7/98 = 7 × 9/98 × 9 = 63/882
Likewise, for the 2nd fraction, since 9 × 98 = 882,
84/9 = 84 × 98/9 × 98 = 8232/882
Add the two like fractions:
63/882 + 8232/882 = 63 + 8232/882 = 8295/882
8295/882 simplified gives 395/42
So, 7/98 + 84/9 = 395/42
In mixed form: 917/42

MathStep (Works offline)

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