Add 18/25 and 9/10
18/25 + 9/10 is 81/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 10 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 25 × 2 = 50,
18/25 = 18 × 2/25 × 2 = 36/50 - Likewise, for the 2nd fraction, since 10 × 5 = 50,
9/10 = 9 × 5/10 × 5 = 45/50 - Add the two like fractions:
36/50 + 45/50 = 36 + 45/50 = 81/50 - So, 18/25 + 9/10 = 81/50
In mixed form: 131/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/25+9/10 18/25+18/10 18/50+9/10 18/25+9/20 54/25+9/10 18/25+27/10 18/75+9/10 18/25+9/30 90/25+9/10 18/25+45/10 18/25+9/50 18/25+63/10 18/25+9/70