Add 7/25 and 21/54
7/25 + 21/54 is 301/450.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 54 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 25 × 54 = 1350,
7/25 = 7 × 54/25 × 54 = 378/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
21/54 = 21 × 25/54 × 25 = 525/1350 - Add the two like fractions:
378/1350 + 525/1350 = 378 + 525/1350 = 903/1350 - 903/1350 simplified gives 301/450
- So, 7/25 + 21/54 = 301/450
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/25+21/54 7/25+42/54 7/50+21/54 21/25+21/54 7/25+63/54 7/75+21/54 35/25+21/54 49/25+21/54