Add 12/20 and 10/12
12/20 + 10/12 is 43/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 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 12 × 5 = 60,
10/12 = 10 × 5/12 × 5 = 50/60 - Add the two like fractions:
36/60 + 50/60 = 36 + 50/60 = 86/60 - 86/60 simplified gives 43/30
- So, 12/20 + 10/12 = 43/30
In mixed form: 113/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20+10/12 12/20+20/12 12/40+10/12 12/20+10/24 36/20+10/12 12/20+30/12 12/60+10/12 12/20+10/36 60/20+10/12 12/20+50/12 12/20+10/60 84/20+10/12 12/20+70/12 12/20+10/84