Add 5/4 and 81/54
1st number: 1 1/4, 2nd number: 1 27/54
5/4 + 81/54 is 11/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
5/4 = 5 × 27/4 × 27 = 135/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
81/54 = 81 × 2/54 × 2 = 162/108 - Add the two like fractions:
135/108 + 162/108 = 135 + 162/108 = 297/108 - 297/108 simplified gives 11/4
- So, 5/4 + 81/54 = 11/4
In mixed form: 23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/4+81/54 5/8+81/54 15/4+81/54 5/12+81/54 25/4+81/54 5/20+81/54 35/4+81/54 5/28+81/54