Add 30/50 and 81/10
1st number: 30/50, 2nd number: 8 1/10
30/50 + 81/10 is 87/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 10 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 50 × 1 = 50,
30/50 = 30 × 1/50 × 1 = 30/50 - Likewise, for the 2nd fraction, since 10 × 5 = 50,
81/10 = 81 × 5/10 × 5 = 405/50 - Add the two like fractions:
30/50 + 405/50 = 30 + 405/50 = 435/50 - 435/50 simplified gives 87/10
- So, 30/50 + 81/10 = 87/10
In mixed form: 87/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/50+81/10 30/50+81/20 90/50+81/10 30/50+81/30 30/50+81/50 30/50+81/70