Add 20/12 and 84/36
1st number: 1 8/12, 2nd number: 2 12/36
20/12 + 84/36 is 4/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
20/12 = 20 × 3/12 × 3 = 60/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
84/36 = 84 × 1/36 × 1 = 84/36 - Add the two like fractions:
60/36 + 84/36 = 60 + 84/36 = 144/36 - 144/36 simplified gives 4/1
- So, 20/12 + 84/36 = 4/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12+84/36 20/24+84/36 20/12+84/72 60/12+84/36 20/36+84/36 20/60+84/36 20/84+84/36