Add 21/25 and 60/9
1st number: 21/25, 2nd number: 6 6/9
21/25 + 60/9 is 563/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
21/25 = 21 × 9/25 × 9 = 189/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
60/9 = 60 × 25/9 × 25 = 1500/225 - Add the two like fractions:
189/225 + 1500/225 = 189 + 1500/225 = 1689/225 - 1689/225 simplified gives 563/75
- So, 21/25 + 60/9 = 563/75
In mixed form: 738/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/25+60/9 21/50+60/9 21/25+60/18 63/25+60/9 21/75+60/9 21/25+60/27 21/25+60/45 21/25+60/63