Add 21/10 and 25/3
1st number: 2 1/10, 2nd number: 8 1/3
21/10 + 25/3 is 313/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 3 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 3 × 10 = 30,
25/3 = 25 × 10/3 × 10 = 250/30 - Add the two like fractions:
63/30 + 250/30 = 63 + 250/30 = 313/30 - So, 21/10 + 25/3 = 313/30
In mixed form: 1013/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/10+25/3 21/10+50/3 21/20+25/3 21/10+25/6 63/10+25/3 21/10+75/3 21/30+25/3 21/10+25/9 21/50+25/3 21/10+25/15 21/70+25/3 21/10+25/21