Add 81/5 and 20/50
1st number: 16 1/5, 2nd number: 20/50
81/5 + 20/50 is 83/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 50 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 5 × 10 = 50,
81/5 = 81 × 10/5 × 10 = 810/50 - Likewise, for the 2nd fraction, since 50 × 1 = 50,
20/50 = 20 × 1/50 × 1 = 20/50 - Add the two like fractions:
810/50 + 20/50 = 810 + 20/50 = 830/50 - 830/50 simplified gives 83/5
- So, 81/5 + 20/50 = 83/5
In mixed form: 163/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/5+40/50 81/10+20/50 81/5+60/50 81/15+20/50 81/25+20/50 81/35+20/50