Add 15/24 and 45/20
1st number: 15/24, 2nd number: 2 5/20
15/24 + 45/20 is 23/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 20 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
15/24 = 15 × 5/24 × 5 = 75/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
45/20 = 45 × 6/20 × 6 = 270/120 - Add the two like fractions:
75/120 + 270/120 = 75 + 270/120 = 345/120 - 345/120 simplified gives 23/8
- So, 15/24 + 45/20 = 23/8
In mixed form: 27/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/24+45/20 15/24+90/20 15/48+45/20 15/24+45/40 45/24+45/20 15/72+45/20 15/24+45/60 75/24+45/20