Add 45/20 and 20/24
1st number: 2 5/20, 2nd number: 20/24
45/20 + 20/24 is 37/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 20 × 6 = 120,
45/20 = 45 × 6/20 × 6 = 270/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
20/24 = 20 × 5/24 × 5 = 100/120 - Add the two like fractions:
270/120 + 100/120 = 270 + 100/120 = 370/120 - 370/120 simplified gives 37/12
- So, 45/20 + 20/24 = 37/12
In mixed form: 31/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+20/24 45/20+40/24 45/40+20/24 45/20+20/48 45/20+60/24 45/60+20/24 45/20+20/72