Add 20/24 and 40/30
1st number: 20/24, 2nd number: 1 10/30
20/24 + 40/30 is 13/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
20/24 = 20 × 5/24 × 5 = 100/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
40/30 = 40 × 4/30 × 4 = 160/120 - Add the two like fractions:
100/120 + 160/120 = 100 + 160/120 = 260/120 - 260/120 simplified gives 13/6
- So, 20/24 + 40/30 = 13/6
In mixed form: 21/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/24+40/30 20/24+80/30 20/48+40/30 20/24+40/60 60/24+40/30 20/72+40/30 20/24+40/90