Add 54/4 and 81/5
1st number: 13 2/4, 2nd number: 16 1/5
54/4 + 81/5 is 297/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
54/4 = 54 × 5/4 × 5 = 270/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
81/5 = 81 × 4/5 × 4 = 324/20 - Add the two like fractions:
270/20 + 324/20 = 270 + 324/20 = 594/20 - 594/20 simplified gives 297/10
- So, 54/4 + 81/5 = 297/10
In mixed form: 297/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8+81/5 54/4+81/10 54/12+81/5 54/4+81/15 54/20+81/5 54/4+81/25 54/28+81/5 54/4+81/35