Add 18/9 and 54/60
1st number: 2 0/9, 2nd number: 54/60
18/9 + 54/60 is 29/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
18/9 = 18 × 20/9 × 20 = 360/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
54/60 = 54 × 3/60 × 3 = 162/180 - Add the two like fractions:
360/180 + 162/180 = 360 + 162/180 = 522/180 - 522/180 simplified gives 29/10
- So, 18/9 + 54/60 = 29/10
In mixed form: 29/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9+54/60 54/9+54/60 18/27+54/60 90/9+54/60 18/45+54/60 18/63+54/60