Add 1/8 and 18/9
1st number: 1/8, 2nd number: 2 0/9
1/8 + 18/9 is 17/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
1/8 = 1 × 9/8 × 9 = 9/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
18/9 = 18 × 8/9 × 8 = 144/72 - Add the two like fractions:
9/72 + 144/72 = 9 + 144/72 = 153/72 - 153/72 simplified gives 17/8
- So, 1/8 + 18/9 = 17/8
In mixed form: 21/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/8+18/9 1/8+36/9 1/16+18/9 3/8+18/9 1/8+54/9 1/24+18/9 1/8+18/27 5/8+18/9 1/8+90/9 1/40+18/9 1/8+18/45 7/8+18/9 1/56+18/9 1/8+18/63