Add 15/5 and 20/10
1st number: 3 0/5, 2nd number: 2 0/10
15/5 + 20/10 is 5/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 5 × 2 = 10,
15/5 = 15 × 2/5 × 2 = 30/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
20/10 = 20 × 1/10 × 1 = 20/10 - Add the two like fractions:
30/10 + 20/10 = 30 + 20/10 = 50/10 - 50/10 simplified gives 5/1
- So, 15/5 + 20/10 = 5/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5+20/10 15/5+40/10 15/10+20/10 45/5+20/10 15/5+60/10 15/5+20/30 75/5+20/10 15/25+20/10 15/5+20/50 15/35+20/10 15/5+20/70