Add 18/30 and 28/25
1st number: 18/30, 2nd number: 1 3/25
18/30 + 28/25 is 43/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 25 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
18/30 = 18 × 5/30 × 5 = 90/150 - Likewise, for the 2nd fraction, since 25 × 6 = 150,
28/25 = 28 × 6/25 × 6 = 168/150 - Add the two like fractions:
90/150 + 168/150 = 90 + 168/150 = 258/150 - 258/150 simplified gives 43/25
- So, 18/30 + 28/25 = 43/25
In mixed form: 118/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30+28/25 18/30+56/25 18/60+28/25 18/30+28/50 54/30+28/25 18/30+84/25 18/90+28/25 18/30+28/75 90/30+28/25