Add 7/25 and 21/18
1st number: 7/25, 2nd number: 1 3/18
7/25 + 21/18 is 217/150.
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,
7/25 = 7 × 18/25 × 18 = 126/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
21/18 = 21 × 25/18 × 25 = 525/450 - Add the two like fractions:
126/450 + 525/450 = 126 + 525/450 = 651/450 - 651/450 simplified gives 217/150
- So, 7/25 + 21/18 = 217/150
In mixed form: 167/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/25+21/18 7/25+42/18 7/50+21/18 7/25+21/36 21/25+21/18 7/25+63/18 7/75+21/18 7/25+21/54 35/25+21/18 7/25+21/90 49/25+21/18