Add 27/4 and 20/3
1st number: 6 3/4, 2nd number: 6 2/3
27/4 + 20/3 is 161/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 3 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
27/4 = 27 × 3/4 × 3 = 81/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
20/3 = 20 × 4/3 × 4 = 80/12 - Add the two like fractions:
81/12 + 80/12 = 81 + 80/12 = 161/12 - So, 27/4 + 20/3 = 161/12
In mixed form: 135/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4+20/3 27/4+40/3 27/8+20/3 27/4+20/6 81/4+20/3 27/4+60/3 27/12+20/3 27/4+20/9 27/20+20/3 27/4+20/15 27/28+20/3 27/4+20/21