Add 20/12 and 7/98, Solve 1 8/12 + 7/98 as a fraction

Add 20/12 and 7/98

1^st number: 1 8/12, 2^nd number: 7/98

20/12 + 7/98 is 73/42.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 98 is 588

Next, find the equivalent fraction of both fractional numbers with denominator 588
For the 1st fraction, since 12 × 49 = 588,
20/12 = 20 × 49/12 × 49 = 980/588
Likewise, for the 2nd fraction, since 98 × 6 = 588,
7/98 = 7 × 6/98 × 6 = 42/588
Add the two like fractions:
980/588 + 42/588 = 980 + 42/588 = 1022/588
1022/588 simplified gives 73/42
So, 20/12 + 7/98 = 73/42
In mixed form: 131/42

MathStep (Works offline)

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