Add 18/25 and 9/30
18/25 + 9/30 is 51/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 25 × 6 = 150,
18/25 = 18 × 6/25 × 6 = 108/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
9/30 = 9 × 5/30 × 5 = 45/150 - Add the two like fractions:
108/150 + 45/150 = 108 + 45/150 = 153/150 - 153/150 simplified gives 51/50
- So, 18/25 + 9/30 = 51/50
In mixed form: 11/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/25+9/30 18/25+18/30 18/50+9/30 18/25+9/60 54/25+9/30 18/25+27/30 18/75+9/30 18/25+9/90 90/25+9/30 18/25+45/30 18/25+63/30