Add 2/54 and 81/4
1st number: 2/54, 2nd number: 20 1/4
2/54 + 81/4 is 2191/108.
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,
2/54 = 2 × 2/54 × 2 = 4/108 - Likewise, for the 2nd fraction, since 4 × 27 = 108,
81/4 = 81 × 27/4 × 27 = 2187/108 - Add the two like fractions:
4/108 + 2187/108 = 4 + 2187/108 = 2191/108 - So, 2/54 + 81/4 = 2191/108
In mixed form: 2031/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/54+81/4 2/54+81/8 6/54+81/4 2/54+81/12 10/54+81/4 2/54+81/20 14/54+81/4 2/54+81/28