Add 2/18 and 2/45
2/18 + 2/45 is 7/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
2/18 = 2 × 5/18 × 5 = 10/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
2/45 = 2 × 2/45 × 2 = 4/90 - Add the two like fractions:
10/90 + 4/90 = 10 + 4/90 = 14/90 - 14/90 simplified gives 7/45
- So, 2/18 + 2/45 = 7/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/18+2/45 2/18+4/45 2/36+2/45 2/18+2/90 6/18+2/45 2/18+6/45 2/54+2/45 10/18+2/45 2/18+10/45 2/90+2/45 14/18+2/45 2/18+14/45