Add 7/98 and 84/18, Solve 7/98 + 4 12/18 as a fraction

Add 7/98 and 84/18

1^st number: 7/98, 2^nd number: 4 12/18

7/98 + 84/18 is 199/42.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 18 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 18 × 49 = 882,
84/18 = 84 × 49/18 × 49 = 4116/882
Add the two like fractions:
63/882 + 4116/882 = 63 + 4116/882 = 4179/882
4179/882 simplified gives 199/42
So, 7/98 + 84/18 = 199/42
In mixed form: 431/42

MathStep (Works offline)

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