Add 56/12 and 20/27
1st number: 4 8/12, 2nd number: 20/27
56/12 + 20/27 is 146/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
56/12 = 56 × 9/12 × 9 = 504/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
20/27 = 20 × 4/27 × 4 = 80/108 - Add the two like fractions:
504/108 + 80/108 = 504 + 80/108 = 584/108 - 584/108 simplified gives 146/27
- So, 56/12 + 20/27 = 146/27
In mixed form: 511/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12+40/27 56/24+20/27 56/12+20/54 56/12+60/27 56/36+20/27 56/12+20/81 56/60+20/27 56/84+20/27