Add 54/18 and 48/45
1st number: 3 0/18, 2nd number: 1 3/45
54/18 + 48/45 is 61/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 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 45 × 2 = 90,
48/45 = 48 × 2/45 × 2 = 96/90 - Add the two like fractions:
270/90 + 96/90 = 270 + 96/90 = 366/90 - 366/90 simplified gives 61/15
- So, 54/18 + 48/45 = 61/15
In mixed form: 41/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18+96/45 54/36+48/45 54/18+48/90 54/90+48/45