Add 2/20 and 15/10
1st number: 2/20, 2nd number: 1 5/10
2/20 + 15/10 is 8/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
2/20 = 2 × 1/20 × 1 = 2/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
15/10 = 15 × 2/10 × 2 = 30/20 - Add the two like fractions:
2/20 + 30/20 = 2 + 30/20 = 32/20 - 32/20 simplified gives 8/5
- So, 2/20 + 15/10 = 8/5
In mixed form: 13/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20+15/10 2/20+30/10 2/40+15/10 2/20+15/20 6/20+15/10 2/20+45/10 2/60+15/10 2/20+15/30 10/20+15/10 2/20+75/10 2/20+15/50 14/20+15/10 2/20+15/70