Add 54/20 and 9/16
1st number: 2 14/20, 2nd number: 9/16
54/20 + 9/16 is 261/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 16 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 16 × 5 = 80,
9/16 = 9 × 5/16 × 5 = 45/80 - Add the two like fractions:
216/80 + 45/80 = 216 + 45/80 = 261/80 - So, 54/20 + 9/16 = 261/80
In mixed form: 321/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+18/16 54/40+9/16 54/20+9/32 54/20+27/16 54/60+9/16 54/20+9/48 54/20+45/16 54/20+9/80 54/20+63/16