Add 25/50 and 50/80
25/50 + 50/80 is 9/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
25/50 = 25 × 8/50 × 8 = 200/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
50/80 = 50 × 5/80 × 5 = 250/400 - Add the two like fractions:
200/400 + 250/400 = 200 + 250/400 = 450/400 - 450/400 simplified gives 9/8
- So, 25/50 + 50/80 = 9/8
In mixed form: 11/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/50+50/80