Add 3/18 and 2/45
3/18 + 2/45 is 19/90.
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,
3/18 = 3 × 5/18 × 5 = 15/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
2/45 = 2 × 2/45 × 2 = 4/90 - Add the two like fractions:
15/90 + 4/90 = 15 + 4/90 = 19/90 - So, 3/18 + 2/45 = 19/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+2/45 3/18+4/45 3/36+2/45 3/18+2/90 9/18+2/45 3/18+6/45 3/54+2/45 15/18+2/45 3/18+10/45 3/90+2/45 21/18+2/45 3/18+14/45