Add 98/10 and 21/98
1st number: 9 8/10, 2nd number: 21/98
98/10 + 21/98 is 701/70.
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,
98/10 = 98 × 49/10 × 49 = 4802/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
21/98 = 21 × 5/98 × 5 = 105/490 - Add the two like fractions:
4802/490 + 105/490 = 4802 + 105/490 = 4907/490 - 4907/490 simplified gives 701/70
- So, 98/10 + 21/98 = 701/70
In mixed form: 101/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/10+42/98 98/20+21/98 98/10+63/98 98/30+21/98 98/50+21/98 98/70+21/98