Add 20/36 and 12/27
20/36 + 12/27 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 36 × 3 = 108,
20/36 = 20 × 3/36 × 3 = 60/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
12/27 = 12 × 4/27 × 4 = 48/108 - Add the two like fractions:
60/108 + 48/108 = 60 + 48/108 = 108/108 - 108/108 simplified gives 1/1
- So, 20/36 + 12/27 = 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/36+12/27 20/36+24/27 20/72+12/27 20/36+12/54 60/36+12/27 20/36+36/27 20/36+12/81 20/36+60/27 20/36+84/27