Add 63/3 and 81/10
1st number: 21 0/3, 2nd number: 8 1/10
63/3 + 81/10 is 291/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 3 × 10 = 30,
63/3 = 63 × 10/3 × 10 = 630/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
81/10 = 81 × 3/10 × 3 = 243/30 - Add the two like fractions:
630/30 + 243/30 = 630 + 243/30 = 873/30 - 873/30 simplified gives 291/10
- So, 63/3 + 81/10 = 291/10
In mixed form: 291/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/6+81/10 63/3+81/20 63/9+81/10 63/3+81/30 63/15+81/10 63/3+81/50 63/21+81/10 63/3+81/70