Add 9/21 and 16/25
9/21 + 16/25 is 187/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 25 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
9/21 = 9 × 25/21 × 25 = 225/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
16/25 = 16 × 21/25 × 21 = 336/525 - Add the two like fractions:
225/525 + 336/525 = 225 + 336/525 = 561/525 - 561/525 simplified gives 187/175
- So, 9/21 + 16/25 = 187/175
In mixed form: 112/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/21+16/25 9/21+32/25 9/42+16/25 9/21+16/50 27/21+16/25 9/21+48/25 9/63+16/25 9/21+16/75 45/21+16/25 9/21+80/25 63/21+16/25