Add 27/80 and 36/20
1st number: 27/80, 2nd number: 1 16/20
27/80 + 36/20 is 171/80.
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,
36/20 = 36 × 4/20 × 4 = 144/80 - Add the two like fractions:
27/80 + 144/80 = 27 + 144/80 = 171/80 - So, 27/80 + 36/20 = 171/80
In mixed form: 211/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/80+36/20 27/80+72/20 27/80+36/40 81/80+36/20 27/80+36/60