Add 25/18 and 18/27
1st number: 1 7/18, 2nd number: 18/27
25/18 + 18/27 is 37/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
25/18 = 25 × 3/18 × 3 = 75/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
18/27 = 18 × 2/27 × 2 = 36/54 - Add the two like fractions:
75/54 + 36/54 = 75 + 36/54 = 111/54 - 111/54 simplified gives 37/18
- So, 25/18 + 18/27 = 37/18
In mixed form: 21/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18+18/27 25/18+36/27 25/36+18/27 25/18+18/54 75/18+18/27 25/18+54/27 25/54+18/27 25/18+18/81 25/18+90/27 25/90+18/27