Add 10/90 and 25/50
10/90 + 25/50 is 11/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
10/90 = 10 × 5/90 × 5 = 50/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
25/50 = 25 × 9/50 × 9 = 225/450 - Add the two like fractions:
50/450 + 225/450 = 50 + 225/450 = 275/450 - 275/450 simplified gives 11/18
- So, 10/90 + 25/50 = 11/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90+25/50 30/90+25/50 10/90+75/50 50/90+25/50 70/90+25/50