Add 54/18 and 60/45
1st number: 3 0/18, 2nd number: 1 15/45
54/18 + 60/45 is 13/3.
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,
60/45 = 60 × 2/45 × 2 = 120/90 - Add the two like fractions:
270/90 + 120/90 = 270 + 120/90 = 390/90 - 390/90 simplified gives 13/3
- So, 54/18 + 60/45 = 13/3
In mixed form: 41/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/36+60/45 54/18+60/90 54/90+60/45