Add 54/2 and 81/5
1st number: 27 0/2, 2nd number: 16 1/5
54/2 + 81/5 is 216/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
54/2 = 54 × 5/2 × 5 = 270/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
81/5 = 81 × 2/5 × 2 = 162/10 - Add the two like fractions:
270/10 + 162/10 = 270 + 162/10 = 432/10 - 432/10 simplified gives 216/5
- So, 54/2 + 81/5 = 216/5
In mixed form: 431/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4+81/5 54/2+81/10 54/6+81/5 54/2+81/15 54/10+81/5 54/2+81/25 54/14+81/5 54/2+81/35