Add 98/6 and 80/21
1st number: 16 2/6, 2nd number: 3 17/21
98/6 + 80/21 is 141/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
98/6 = 98 × 7/6 × 7 = 686/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
80/21 = 80 × 2/21 × 2 = 160/42 - Add the two like fractions:
686/42 + 160/42 = 686 + 160/42 = 846/42 - 846/42 simplified gives 141/7
- So, 98/6 + 80/21 = 141/7
In mixed form: 201/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12+80/21 98/6+80/42 98/18+80/21 98/6+80/63 98/30+80/21 98/42+80/21