Add 25/18 and 21/50
1st number: 1 7/18, 2nd number: 21/50
25/18 + 21/50 is 407/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
25/18 = 25 × 25/18 × 25 = 625/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
21/50 = 21 × 9/50 × 9 = 189/450 - Add the two like fractions:
625/450 + 189/450 = 625 + 189/450 = 814/450 - 814/450 simplified gives 407/225
- So, 25/18 + 21/50 = 407/225
In mixed form: 1182/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18+21/50 25/18+42/50 25/36+21/50 75/18+21/50 25/18+63/50 25/54+21/50 25/90+21/50