Add 12/20 and 56/15
1st number: 12/20, 2nd number: 3 11/15
12/20 + 56/15 is 13/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
12/20 = 12 × 3/20 × 3 = 36/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
56/15 = 56 × 4/15 × 4 = 224/60 - Add the two like fractions:
36/60 + 224/60 = 36 + 224/60 = 260/60 - 260/60 simplified gives 13/3
- So, 12/20 + 56/15 = 13/3
In mixed form: 41/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20+56/15 12/40+56/15 12/20+56/30 36/20+56/15 12/60+56/15 12/20+56/45 60/20+56/15 12/20+56/75 84/20+56/15