Add 27/80 and 75/20
1st number: 27/80, 2nd number: 3 15/20
27/80 + 75/20 is 327/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
27/80 = 27 × 1/80 × 1 = 27/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
75/20 = 75 × 4/20 × 4 = 300/80 - Add the two like fractions:
27/80 + 300/80 = 27 + 300/80 = 327/80 - So, 27/80 + 75/20 = 327/80
In mixed form: 47/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/80+75/20 27/80+75/40 81/80+75/20 27/80+75/60