Add 32/21 and 21/25, Solve 1 11/21 + 21/25 as a fraction

Add 32/21 and 21/25

1^st number: 1 11/21, 2^nd number: 21/25

32/21 + 21/25 is 1241/525.

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,
32/21 = 32 × 25/21 × 25 = 800/525
Likewise, for the 2nd fraction, since 25 × 21 = 525,
21/25 = 21 × 21/25 × 21 = 441/525
Add the two like fractions:
800/525 + 441/525 = 800 + 441/525 = 1241/525
So, 32/21 + 21/25 = 1241/525
In mixed form: 2191/525

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad