Add 18/25 and 15/20
18/25 + 15/20 is 147/100.
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,
18/25 = 18 × 4/25 × 4 = 72/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
15/20 = 15 × 5/20 × 5 = 75/100 - Add the two like fractions:
72/100 + 75/100 = 72 + 75/100 = 147/100 - So, 18/25 + 15/20 = 147/100
In mixed form: 147/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/25+15/20 18/25+30/20 18/50+15/20 18/25+15/40 54/25+15/20 18/25+45/20 18/75+15/20 18/25+15/60 90/25+15/20 18/25+75/20