Add 8/45 and 2/18
8/45 + 2/18 is 13/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
8/45 = 8 × 2/45 × 2 = 16/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
2/18 = 2 × 5/18 × 5 = 10/90 - Add the two like fractions:
16/90 + 10/90 = 16 + 10/90 = 26/90 - 26/90 simplified gives 13/45
- So, 8/45 + 2/18 = 13/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/45+2/18 8/45+4/18 8/90+2/18 8/45+2/36 24/45+2/18 8/45+6/18 8/45+2/54 40/45+2/18 8/45+10/18 8/45+2/90 56/45+2/18 8/45+14/18