Add 7/12 and 15/20
7/12 + 15/20 is 4/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
7/12 = 7 × 5/12 × 5 = 35/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
15/20 = 15 × 3/20 × 3 = 45/60 - Add the two like fractions:
35/60 + 45/60 = 35 + 45/60 = 80/60 - 80/60 simplified gives 4/3
- So, 7/12 + 15/20 = 4/3
In mixed form: 11/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/12+15/20 7/12+30/20 7/24+15/20 7/12+15/40 21/12+15/20 7/12+45/20 7/36+15/20 7/12+15/60 35/12+15/20 7/12+75/20 7/60+15/20 49/12+15/20 7/84+15/20