Add 2/45 and 4/18
2/45 + 4/18 is 4/15.
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,
2/45 = 2 × 2/45 × 2 = 4/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
4/18 = 4 × 5/18 × 5 = 20/90 - Add the two like fractions:
4/90 + 20/90 = 4 + 20/90 = 24/90 - 24/90 simplified gives 4/15
- So, 2/45 + 4/18 = 4/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/45+4/18 2/45+8/18 2/90+4/18 2/45+4/36 6/45+4/18 2/45+12/18 2/45+4/54 10/45+4/18 2/45+20/18 2/45+4/90 14/45+4/18 2/45+28/18