Add 5/9 and 42/20
1st number: 5/9, 2nd number: 2 2/20
5/9 + 42/20 is 239/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
5/9 = 5 × 20/9 × 20 = 100/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
42/20 = 42 × 9/20 × 9 = 378/180 - Add the two like fractions:
100/180 + 378/180 = 100 + 378/180 = 478/180 - 478/180 simplified gives 239/90
- So, 5/9 + 42/20 = 239/90
In mixed form: 259/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/9+42/20 5/9+84/20 5/18+42/20 5/9+42/40 15/9+42/20 5/27+42/20 5/9+42/60 25/9+42/20 5/45+42/20 35/9+42/20 5/63+42/20