Add 45/9 and 54/90
1st number: 5 0/9, 2nd number: 54/90
45/9 + 54/90 is 28/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
45/9 = 45 × 10/9 × 10 = 450/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
54/90 = 54 × 1/90 × 1 = 54/90 - Add the two like fractions:
450/90 + 54/90 = 450 + 54/90 = 504/90 - 504/90 simplified gives 28/5
- So, 45/9 + 54/90 = 28/5
In mixed form: 53/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9+54/90 45/18+54/90 45/27+54/90 45/63+54/90