Add 27/12 and 64/20
1st number: 2 3/12, 2nd number: 3 4/20
27/12 + 64/20 is 109/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
27/12 = 27 × 5/12 × 5 = 135/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
64/20 = 64 × 3/20 × 3 = 192/60 - Add the two like fractions:
135/60 + 192/60 = 135 + 192/60 = 327/60 - 327/60 simplified gives 109/20
- So, 27/12 + 64/20 = 109/20
In mixed form: 59/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+64/20 27/24+64/20 27/12+64/40 81/12+64/20 27/36+64/20 27/12+64/60 27/60+64/20 27/84+64/20