Add 30/54 and 60/90
30/54 + 60/90 is 11/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
30/54 = 30 × 5/54 × 5 = 150/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
60/90 = 60 × 3/90 × 3 = 180/270 - Add the two like fractions:
150/270 + 180/270 = 150 + 180/270 = 330/270 - 330/270 simplified gives 11/9
- So, 30/54 + 60/90 = 11/9
In mixed form: 12/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/54+60/90 90/54+60/90