Add 5/90 and 25/20
1st number: 5/90, 2nd number: 1 5/20
5/90 + 25/20 is 47/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
5/90 = 5 × 2/90 × 2 = 10/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
25/20 = 25 × 9/20 × 9 = 225/180 - Add the two like fractions:
10/180 + 225/180 = 10 + 225/180 = 235/180 - 235/180 simplified gives 47/36
- So, 5/90 + 25/20 = 47/36
In mixed form: 111/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/90+25/20 5/90+50/20 5/90+25/40 15/90+25/20 5/90+75/20 5/90+25/60 25/90+25/20 35/90+25/20