Add 20/36 and 4/12
20/36 + 4/12 is 8/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
20/36 = 20 × 1/36 × 1 = 20/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
4/12 = 4 × 3/12 × 3 = 12/36 - Add the two like fractions:
20/36 + 12/36 = 20 + 12/36 = 32/36 - 32/36 simplified gives 8/9
- So, 20/36 + 4/12 = 8/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/36+4/12 20/36+8/12 20/72+4/12 20/36+4/24 60/36+4/12 20/36+4/36 20/36+20/12 20/36+4/60 20/36+28/12 20/36+4/84