Add 54/18 and 18/5
1st number: 3 0/18, 2nd number: 3 3/5
54/18 + 18/5 is 33/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
54/18 = 54 × 5/18 × 5 = 270/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
18/5 = 18 × 18/5 × 18 = 324/90 - Add the two like fractions:
270/90 + 324/90 = 270 + 324/90 = 594/90 - 594/90 simplified gives 33/5
- So, 54/18 + 18/5 = 33/5
In mixed form: 63/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18+36/5 54/36+18/5 54/18+18/10 54/18+54/5 54/18+18/15 54/18+90/5 54/90+18/5 54/18+18/25 54/18+18/35