Add 54/90 and 54/60
54/90 + 54/60 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
54/90 = 54 × 2/90 × 2 = 108/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
54/60 = 54 × 3/60 × 3 = 162/180 - Add the two like fractions:
108/180 + 162/180 = 108 + 162/180 = 270/180 - 270/180 simplified gives 3/2
- So, 54/90 + 54/60 = 3/2
In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: