Add 12/20 and 24/30
12/20 + 24/30 is 7/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
12/20 = 12 × 3/20 × 3 = 36/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
24/30 = 24 × 2/30 × 2 = 48/60 - Add the two like fractions:
36/60 + 48/60 = 36 + 48/60 = 84/60 - 84/60 simplified gives 7/5
- So, 12/20 + 24/30 = 7/5
In mixed form: 12/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20+24/30 12/20+48/30 12/40+24/30 12/20+24/60 36/20+24/30 12/20+72/30 12/60+24/30 12/20+24/90 60/20+24/30 84/20+24/30