Add 5/20 and 10/12
5/20 + 10/12 is 13/12.
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,
5/20 = 5 × 3/20 × 3 = 15/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
10/12 = 10 × 5/12 × 5 = 50/60 - Add the two like fractions:
15/60 + 50/60 = 15 + 50/60 = 65/60 - 65/60 simplified gives 13/12
- So, 5/20 + 10/12 = 13/12
In mixed form: 11/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+10/12 5/20+20/12 5/40+10/12 5/20+10/24 15/20+10/12 5/20+30/12 5/60+10/12 5/20+10/36 25/20+10/12 5/20+50/12 5/20+10/60 35/20+10/12 5/20+70/12 5/20+10/84