Add 24/18 and 20/45
1st number: 1 6/18, 2nd number: 20/45
24/18 + 20/45 is 16/9.
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,
24/18 = 24 × 5/18 × 5 = 120/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
20/45 = 20 × 2/45 × 2 = 40/90 - Add the two like fractions:
120/90 + 40/90 = 120 + 40/90 = 160/90 - 160/90 simplified gives 16/9
- So, 24/18 + 20/45 = 16/9
In mixed form: 17/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/18+20/45 24/18+40/45 24/36+20/45 24/18+20/90 72/18+20/45 24/18+60/45 24/54+20/45 24/90+20/45