Add 25/50 and 3/90
25/50 + 3/90 is 8/15.
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,
3/90 = 3 × 5/90 × 5 = 15/450 - Add the two like fractions:
225/450 + 15/450 = 225 + 15/450 = 240/450 - 240/450 simplified gives 8/15
- So, 25/50 + 3/90 = 8/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 25/50+6/90 75/50+3/90 25/50+9/90 25/50+15/90 25/50+21/90