Add 5/45 and 14/18
5/45 + 14/18 is 8/9.
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,
5/45 = 5 × 2/45 × 2 = 10/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
14/18 = 14 × 5/18 × 5 = 70/90 - Add the two like fractions:
10/90 + 70/90 = 10 + 70/90 = 80/90 - 80/90 simplified gives 8/9
- So, 5/45 + 14/18 = 8/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/45+14/18 5/45+28/18 5/90+14/18 5/45+14/36 15/45+14/18 5/45+42/18 5/45+14/54 25/45+14/18 5/45+70/18 5/45+14/90 35/45+14/18 5/45+98/18