Add 18/25 and 20/30
18/25 + 20/30 is 104/75.
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,
20/30 = 20 × 5/30 × 5 = 100/150 - Add the two like fractions:
108/150 + 100/150 = 108 + 100/150 = 208/150 - 208/150 simplified gives 104/75
- So, 18/25 + 20/30 = 104/75
In mixed form: 129/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/25+20/30 18/25+40/30 18/50+20/30 18/25+20/60 54/25+20/30 18/25+60/30 18/75+20/30 18/25+20/90 90/25+20/30