Add 9/25 and 21/7
1st number: 9/25, 2nd number: 3 0/7
9/25 + 21/7 is 84/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 7 is 175
Next, find the equivalent fraction of both fractional numbers with denominator 175 - For the 1st fraction, since 25 × 7 = 175,
9/25 = 9 × 7/25 × 7 = 63/175 - Likewise, for the 2nd fraction, since 7 × 25 = 175,
21/7 = 21 × 25/7 × 25 = 525/175 - Add the two like fractions:
63/175 + 525/175 = 63 + 525/175 = 588/175 - 588/175 simplified gives 84/25
- So, 9/25 + 21/7 = 84/25
In mixed form: 39/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/25+21/7 9/25+42/7 9/50+21/7 9/25+21/14 27/25+21/7 9/25+63/7 9/75+21/7 45/25+21/7 9/25+21/35 63/25+21/7 9/25+21/49