Add 20/2 and 21/98
1st number: 10 0/2, 2nd number: 21/98
20/2 + 21/98 is 143/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 98 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 2 × 49 = 98,
20/2 = 20 × 49/2 × 49 = 980/98 - Likewise, for the 2nd fraction, since 98 × 1 = 98,
21/98 = 21 × 1/98 × 1 = 21/98 - Add the two like fractions:
980/98 + 21/98 = 980 + 21/98 = 1001/98 - 1001/98 simplified gives 143/14
- So, 20/2 + 21/98 = 143/14
In mixed form: 103/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2+21/98 20/2+42/98 20/4+21/98 60/2+21/98 20/2+63/98 20/6+21/98 20/10+21/98 20/14+21/98