Add 20/12 and 56/60
1st number: 1 8/12, 2nd number: 56/60
20/12 + 56/60 is 13/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
20/12 = 20 × 5/12 × 5 = 100/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
56/60 = 56 × 1/60 × 1 = 56/60 - Add the two like fractions:
100/60 + 56/60 = 100 + 56/60 = 156/60 - 156/60 simplified gives 13/5
- So, 20/12 + 56/60 = 13/5
In mixed form: 23/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12+56/60 20/24+56/60 60/12+56/60 20/36+56/60 20/60+56/60 20/84+56/60