Add 5/90 and 21/50
5/90 + 21/50 is 107/225.
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,
5/90 = 5 × 5/90 × 5 = 25/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
21/50 = 21 × 9/50 × 9 = 189/450 - Add the two like fractions:
25/450 + 189/450 = 25 + 189/450 = 214/450 - 214/450 simplified gives 107/225
- So, 5/90 + 21/50 = 107/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/90+21/50 5/90+42/50 15/90+21/50 5/90+63/50 25/90+21/50 35/90+21/50