Add 81/3 and 20/10
1st number: 27 0/3, 2nd number: 2 0/10
81/3 + 20/10 is 29/1.
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,
81/3 = 81 × 10/3 × 10 = 810/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
20/10 = 20 × 3/10 × 3 = 60/30 - Add the two like fractions:
810/30 + 60/30 = 810 + 60/30 = 870/30 - 870/30 simplified gives 29/1
- So, 81/3 + 20/10 = 29/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/3+40/10 81/6+20/10 81/3+60/10 81/9+20/10 81/3+20/30 81/15+20/10 81/3+20/50 81/21+20/10 81/3+20/70