Add 54/80 and 27/8
1st number: 54/80, 2nd number: 3 3/8
54/80 + 27/8 is 81/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 8 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
54/80 = 54 × 1/80 × 1 = 54/80 - Likewise, for the 2nd fraction, since 8 × 10 = 80,
27/8 = 27 × 10/8 × 10 = 270/80 - Add the two like fractions:
54/80 + 270/80 = 54 + 270/80 = 324/80 - 324/80 simplified gives 81/20
- So, 54/80 + 27/8 = 81/20
In mixed form: 41/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/80+54/8 54/80+27/16 54/80+81/8 54/80+27/24 54/80+27/40 54/80+27/56