Add 30/54 and 63/90
30/54 + 63/90 is 113/90.
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,
63/90 = 63 × 3/90 × 3 = 189/270 - Add the two like fractions:
150/270 + 189/270 = 150 + 189/270 = 339/270 - 339/270 simplified gives 113/90
- So, 30/54 + 63/90 = 113/90
In mixed form: 123/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/54+63/90 90/54+63/90