Add 81/10 and 15/3
1st number: 8 1/10, 2nd number: 5 0/3
81/10 + 15/3 is 131/10.
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,
81/10 = 81 × 3/10 × 3 = 243/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
15/3 = 15 × 10/3 × 10 = 150/30 - Add the two like fractions:
243/30 + 150/30 = 243 + 150/30 = 393/30 - 393/30 simplified gives 131/10
- So, 81/10 + 15/3 = 131/10
In mixed form: 131/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/10+30/3 81/20+15/3 81/10+15/6 81/10+45/3 81/30+15/3 81/10+15/9 81/10+75/3 81/50+15/3 81/70+15/3 81/10+15/21