Add 15/25 and 50/20
1st number: 15/25, 2nd number: 2 10/20
15/25 + 50/20 is 31/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 25 × 4 = 100,
15/25 = 15 × 4/25 × 4 = 60/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
50/20 = 50 × 5/20 × 5 = 250/100 - Add the two like fractions:
60/100 + 250/100 = 60 + 250/100 = 310/100 - 310/100 simplified gives 31/10
- So, 15/25 + 50/20 = 31/10
In mixed form: 31/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/25+50/20 15/50+50/20 15/25+50/40 45/25+50/20 15/75+50/20 15/25+50/60 75/25+50/20