Add 21/10 and 98/30
1st number: 2 1/10, 2nd number: 3 8/30
21/10 + 98/30 is 161/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
21/10 = 21 × 3/10 × 3 = 63/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
98/30 = 98 × 1/30 × 1 = 98/30 - Add the two like fractions:
63/30 + 98/30 = 63 + 98/30 = 161/30 - So, 21/10 + 98/30 = 161/30
In mixed form: 511/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/10+98/30 21/20+98/30 21/10+98/60 63/10+98/30 21/30+98/30 21/10+98/90 21/50+98/30 21/70+98/30