Add 54/3 and 81/8
1st number: 18 0/3, 2nd number: 10 1/8
54/3 + 81/8 is 225/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 3 × 8 = 24,
54/3 = 54 × 8/3 × 8 = 432/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
81/8 = 81 × 3/8 × 3 = 243/24 - Add the two like fractions:
432/24 + 243/24 = 432 + 243/24 = 675/24 - 675/24 simplified gives 225/8
- So, 54/3 + 81/8 = 225/8
In mixed form: 281/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/6+81/8 54/3+81/16 54/9+81/8 54/3+81/24 54/15+81/8 54/3+81/40 54/21+81/8 54/3+81/56