Add 54/20 and 9/80
1st number: 2 14/20, 2nd number: 9/80
54/20 + 9/80 is 45/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
54/20 = 54 × 4/20 × 4 = 216/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
9/80 = 9 × 1/80 × 1 = 9/80 - Add the two like fractions:
216/80 + 9/80 = 216 + 9/80 = 225/80 - 225/80 simplified gives 45/16
- So, 54/20 + 9/80 = 45/16
In mixed form: 213/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+18/80 54/40+9/80 54/20+27/80 54/60+9/80 54/20+45/80 54/20+63/80