Add 15/20 and 1/10
15/20 + 1/10 is 17/20.
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,
15/20 = 15 × 1/20 × 1 = 15/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
1/10 = 1 × 2/10 × 2 = 2/20 - Add the two like fractions:
15/20 + 2/20 = 15 + 2/20 = 17/20 - So, 15/20 + 1/10 = 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/20+1/10 15/20+2/10 15/40+1/10 15/20+1/20 45/20+1/10 15/20+3/10 15/60+1/10 15/20+1/30 75/20+1/10 15/20+5/10 15/20+1/50 15/20+7/10 15/20+1/70