Add 20/12 and 36/16
1st number: 1 8/12, 2nd number: 2 4/16
20/12 + 36/16 is 47/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 16 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 12 × 4 = 48,
20/12 = 20 × 4/12 × 4 = 80/48 - Likewise, for the 2nd fraction, since 16 × 3 = 48,
36/16 = 36 × 3/16 × 3 = 108/48 - Add the two like fractions:
80/48 + 108/48 = 80 + 108/48 = 188/48 - 188/48 simplified gives 47/12
- So, 20/12 + 36/16 = 47/12
In mixed form: 311/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12+36/16 20/12+72/16 20/24+36/16 20/12+36/32 60/12+36/16 20/36+36/16 20/12+36/48 20/60+36/16 20/12+36/80 20/84+36/16