Add 54/3 and 18/15
1st number: 18 0/3, 2nd number: 1 3/15
54/3 + 18/15 is 96/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 15 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
54/3 = 54 × 5/3 × 5 = 270/15 - Likewise, for the 2nd fraction, since 15 × 1 = 15,
18/15 = 18 × 1/15 × 1 = 18/15 - Add the two like fractions:
270/15 + 18/15 = 270 + 18/15 = 288/15 - 288/15 simplified gives 96/5
- So, 54/3 + 18/15 = 96/5
In mixed form: 191/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/3+36/15 54/6+18/15 54/3+18/30 54/3+54/15 54/9+18/15 54/3+18/45 54/3+90/15 54/15+18/15 54/3+18/75 54/21+18/15