Add 56/5 and 20/12
1st number: 11 1/5, 2nd number: 1 8/12
56/5 + 20/12 is 193/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
56/5 = 56 × 12/5 × 12 = 672/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
20/12 = 20 × 5/12 × 5 = 100/60 - Add the two like fractions:
672/60 + 100/60 = 672 + 100/60 = 772/60 - 772/60 simplified gives 193/15
- So, 56/5 + 20/12 = 193/15
In mixed form: 1213/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/5+40/12 56/10+20/12 56/5+20/24 56/5+60/12 56/15+20/12 56/5+20/36 56/25+20/12 56/5+20/60 56/35+20/12 56/5+20/84