Add 7/25 and 6/21
7/25 + 6/21 is 99/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 25 × 21 = 525,
7/25 = 7 × 21/25 × 21 = 147/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
6/21 = 6 × 25/21 × 25 = 150/525 - Add the two like fractions:
147/525 + 150/525 = 147 + 150/525 = 297/525 - 297/525 simplified gives 99/175
- So, 7/25 + 6/21 = 99/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/25+6/21 7/25+12/21 7/50+6/21 7/25+6/42 21/25+6/21 7/25+18/21 7/75+6/21 7/25+6/63 35/25+6/21 7/25+30/21 49/25+6/21 7/25+42/21