Add 9/98 and 81/8, Solve 9/98 + 10 1/8 as a fraction

Add 9/98 and 81/8

1^st number: 9/98, 2^nd number: 10 1/8

9/98 + 81/8 is 4005/392.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 8 is 392

Next, find the equivalent fraction of both fractional numbers with denominator 392
For the 1st fraction, since 98 × 4 = 392,
9/98 = 9 × 4/98 × 4 = 36/392
Likewise, for the 2nd fraction, since 8 × 49 = 392,
81/8 = 81 × 49/8 × 49 = 3969/392
Add the two like fractions:
36/392 + 3969/392 = 36 + 3969/392 = 4005/392
So, 9/98 + 81/8 = 4005/392
In mixed form: 1085/392

MathStep (Works offline)

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