Add 98/20 and 21/6
1st number: 4 18/20, 2nd number: 3 3/6
98/20 + 21/6 is 42/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 6 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
98/20 = 98 × 3/20 × 3 = 294/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
21/6 = 21 × 10/6 × 10 = 210/60 - Add the two like fractions:
294/60 + 210/60 = 294 + 210/60 = 504/60 - 504/60 simplified gives 42/5
- So, 98/20 + 21/6 = 42/5
In mixed form: 82/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20+42/6 98/40+21/6 98/20+21/12 98/20+63/6 98/60+21/6 98/20+21/18 98/20+21/30 98/20+21/42