Add 27/20 and 9/3
1st number: 1 7/20, 2nd number: 3 0/3
27/20 + 9/3 is 87/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
27/20 = 27 × 3/20 × 3 = 81/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
9/3 = 9 × 20/3 × 20 = 180/60 - Add the two like fractions:
81/60 + 180/60 = 81 + 180/60 = 261/60 - 261/60 simplified gives 87/20
- So, 27/20 + 9/3 = 87/20
In mixed form: 47/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+9/3 27/20+18/3 27/40+9/3 27/20+9/6 81/20+9/3 27/20+27/3 27/60+9/3 27/20+45/3 27/20+9/15 27/20+63/3 27/20+9/21