Add 10/30 and 21/10
1st number: 10/30, 2nd number: 2 1/10
10/30 + 21/10 is 73/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
10/30 = 10 × 1/30 × 1 = 10/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
21/10 = 21 × 3/10 × 3 = 63/30 - Add the two like fractions:
10/30 + 63/30 = 10 + 63/30 = 73/30 - So, 10/30 + 21/10 = 73/30
In mixed form: 213/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30+21/10 10/30+42/10 10/60+21/10 10/30+21/20 10/30+63/10 10/90+21/10 10/30+21/30 50/30+21/10 10/30+21/50 70/30+21/10 10/30+21/70