Add 21/10 and 70/3
1st number: 2 1/10, 2nd number: 23 1/3
21/10 + 70/3 is 763/30.
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,
70/3 = 70 × 10/3 × 10 = 700/30 - Add the two like fractions:
63/30 + 700/30 = 63 + 700/30 = 763/30 - So, 21/10 + 70/3 = 763/30
In mixed form: 2513/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/10+70/3 21/20+70/3 21/10+70/6 63/10+70/3 21/30+70/3 21/10+70/9 21/50+70/3 21/10+70/15 21/70+70/3 21/10+70/21