Add 28/25 and 63/18
1st number: 1 3/25, 2nd number: 3 9/18
28/25 + 63/18 is 231/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
28/25 = 28 × 18/25 × 18 = 504/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
63/18 = 63 × 25/18 × 25 = 1575/450 - Add the two like fractions:
504/450 + 1575/450 = 504 + 1575/450 = 2079/450 - 2079/450 simplified gives 231/50
- So, 28/25 + 63/18 = 231/50
In mixed form: 431/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/25+63/18 28/50+63/18 28/25+63/36 84/25+63/18 28/75+63/18 28/25+63/54 28/25+63/90