Add 40/18 and 24/20
1st number: 2 4/18, 2nd number: 1 4/20
40/18 + 24/20 is 154/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
40/18 = 40 × 10/18 × 10 = 400/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
24/20 = 24 × 9/20 × 9 = 216/180 - Add the two like fractions:
400/180 + 216/180 = 400 + 216/180 = 616/180 - 616/180 simplified gives 154/45
- So, 40/18 + 24/20 = 154/45
In mixed form: 319/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+24/20 40/18+48/20 40/36+24/20 40/18+24/40 40/18+72/20 40/54+24/20 40/18+24/60 40/90+24/20