Add 90/9 and 54/18
1st number: 10 0/9, 2nd number: 3 0/18
90/9 + 54/18 is 13/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
90/9 = 90 × 2/9 × 2 = 180/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
54/18 = 54 × 1/18 × 1 = 54/18 - Add the two like fractions:
180/18 + 54/18 = 180 + 54/18 = 234/18 - 234/18 simplified gives 13/1
- So, 90/9 + 54/18 = 13/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18+54/18 90/9+54/36 90/27+54/18 90/45+54/18 90/9+54/90 90/63+54/18