Add 20/24 and 15/40
20/24 + 15/40 is 29/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 40 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 40 × 3 = 120,
15/40 = 15 × 3/40 × 3 = 45/120 - Add the two like fractions:
100/120 + 45/120 = 100 + 45/120 = 145/120 - 145/120 simplified gives 29/24
- So, 20/24 + 15/40 = 29/24
In mixed form: 15/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/24+15/40 20/24+30/40 20/48+15/40 20/24+15/80 60/24+15/40 20/24+45/40 20/72+15/40 20/24+75/40