Add 21/3 and 32/30
1st number: 7 0/3, 2nd number: 1 2/30
21/3 + 32/30 is 121/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 3 × 10 = 30,
21/3 = 21 × 10/3 × 10 = 210/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
32/30 = 32 × 1/30 × 1 = 32/30 - Add the two like fractions:
210/30 + 32/30 = 210 + 32/30 = 242/30 - 242/30 simplified gives 121/15
- So, 21/3 + 32/30 = 121/15
In mixed form: 81/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/3+32/30 21/3+64/30 21/6+32/30 21/3+32/60 63/3+32/30 21/3+96/30 21/9+32/30 21/3+32/90 21/15+32/30