Add 81/10 and 15/50
1st number: 8 1/10, 2nd number: 15/50
81/10 + 15/50 is 42/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 50 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 10 × 5 = 50,
81/10 = 81 × 5/10 × 5 = 405/50 - Likewise, for the 2nd fraction, since 50 × 1 = 50,
15/50 = 15 × 1/50 × 1 = 15/50 - Add the two like fractions:
405/50 + 15/50 = 405 + 15/50 = 420/50 - 420/50 simplified gives 42/5
- So, 81/10 + 15/50 = 42/5
In mixed form: 82/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/10+30/50 81/20+15/50 81/10+45/50 81/30+15/50 81/10+75/50 81/50+15/50 81/70+15/50