Add 80/54 and 21/4
1st number: 1 26/54, 2nd number: 5 1/4
80/54 + 21/4 is 727/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 4 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 54 × 2 = 108,
80/54 = 80 × 2/54 × 2 = 160/108 - Likewise, for the 2nd fraction, since 4 × 27 = 108,
21/4 = 21 × 27/4 × 27 = 567/108 - Add the two like fractions:
160/108 + 567/108 = 160 + 567/108 = 727/108 - So, 80/54 + 21/4 = 727/108
In mixed form: 679/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/54+42/4 80/54+21/8 80/54+63/4 80/54+21/12 80/54+21/20 80/54+21/28