Add 98/35 and 21/7
1st number: 2 28/35, 2nd number: 3 0/7
98/35 + 21/7 is 29/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 35 × 1 = 35,
98/35 = 98 × 1/35 × 1 = 98/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
21/7 = 21 × 5/7 × 5 = 105/35 - Add the two like fractions:
98/35 + 105/35 = 98 + 105/35 = 203/35 - 203/35 simplified gives 29/5
- So, 98/35 + 21/7 = 29/5
In mixed form: 54/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/35+42/7 98/70+21/7 98/35+21/14 98/35+63/7 98/35+21/35 98/35+21/49