Add 25/50 and 50/90
25/50 + 50/90 is 19/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
25/50 = 25 × 9/50 × 9 = 225/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
50/90 = 50 × 5/90 × 5 = 250/450 - Add the two like fractions:
225/450 + 250/450 = 225 + 250/450 = 475/450 - 475/450 simplified gives 19/18
- So, 25/50 + 50/90 = 19/18
In mixed form: 11/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/50+50/90