Add 12/20 and 56/36
1st number: 12/20, 2nd number: 1 20/36
12/20 + 56/36 is 97/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
12/20 = 12 × 9/20 × 9 = 108/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
56/36 = 56 × 5/36 × 5 = 280/180 - Add the two like fractions:
108/180 + 280/180 = 108 + 280/180 = 388/180 - 388/180 simplified gives 97/45
- So, 12/20 + 56/36 = 97/45
In mixed form: 27/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20+56/36 12/40+56/36 12/20+56/72 36/20+56/36 12/60+56/36 60/20+56/36 84/20+56/36