Add 1/12 and 7/20
1/12 + 7/20 is 13/30.
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,
1/12 = 1 × 5/12 × 5 = 5/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
7/20 = 7 × 3/20 × 3 = 21/60 - Add the two like fractions:
5/60 + 21/60 = 5 + 21/60 = 26/60 - 26/60 simplified gives 13/30
- So, 1/12 + 7/20 = 13/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/12+7/20 1/12+14/20 1/24+7/20 1/12+7/40 3/12+7/20 1/12+21/20 1/36+7/20 1/12+7/60 5/12+7/20 1/12+35/20 1/60+7/20 7/12+7/20 1/12+49/20 1/84+7/20