Add 20/90 and 50/10
1st number: 20/90, 2nd number: 5 0/10
20/90 + 50/10 is 47/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
50/10 = 50 × 9/10 × 9 = 450/90 - Add the two like fractions:
20/90 + 450/90 = 20 + 450/90 = 470/90 - 470/90 simplified gives 47/9
- So, 20/90 + 50/10 = 47/9
In mixed form: 52/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/90+50/10 20/90+50/20 60/90+50/10 20/90+50/30 20/90+50/70