Add 56/9 and 18/90
1st number: 6 2/9, 2nd number: 18/90
56/9 + 18/90 is 289/45.
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,
56/9 = 56 × 10/9 × 10 = 560/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
18/90 = 18 × 1/90 × 1 = 18/90 - Add the two like fractions:
560/90 + 18/90 = 560 + 18/90 = 578/90 - 578/90 simplified gives 289/45
- So, 56/9 + 18/90 = 289/45
In mixed form: 619/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/9+36/90 56/18+18/90 56/9+54/90 56/27+18/90 56/45+18/90 56/63+18/90