Add 25/18 and 18/8
1st number: 1 7/18, 2nd number: 2 2/8
25/18 + 18/8 is 131/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
25/18 = 25 × 4/18 × 4 = 100/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
18/8 = 18 × 9/8 × 9 = 162/72 - Add the two like fractions:
100/72 + 162/72 = 100 + 162/72 = 262/72 - 262/72 simplified gives 131/36
- So, 25/18 + 18/8 = 131/36
In mixed form: 323/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18+18/8 25/18+36/8 25/36+18/8 25/18+18/16 75/18+18/8 25/18+54/8 25/54+18/8 25/18+18/24 25/18+90/8 25/90+18/8 25/18+18/40 25/18+18/56