Add 15/80 and 54/16
1st number: 15/80, 2nd number: 3 6/16
15/80 + 54/16 is 57/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
15/80 = 15 × 1/80 × 1 = 15/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
54/16 = 54 × 5/16 × 5 = 270/80 - Add the two like fractions:
15/80 + 270/80 = 15 + 270/80 = 285/80 - 285/80 simplified gives 57/16
- So, 15/80 + 54/16 = 57/16
In mixed form: 39/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/80+54/16 15/80+54/32 45/80+54/16 15/80+54/48 75/80+54/16 15/80+54/80