Add 35/10 and 21/98
1st number: 3 5/10, 2nd number: 21/98
35/10 + 21/98 is 26/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
35/10 = 35 × 49/10 × 49 = 1715/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
21/98 = 21 × 5/98 × 5 = 105/490 - Add the two like fractions:
1715/490 + 105/490 = 1715 + 105/490 = 1820/490 - 1820/490 simplified gives 26/7
- So, 35/10 + 21/98 = 26/7
In mixed form: 35/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10+21/98 35/10+42/98 35/20+21/98 35/10+63/98 35/30+21/98 35/50+21/98 35/70+21/98