Add 32/21 and 7/75, Solve 1 11/21 + 7/75 as a fraction

Add 32/21 and 7/75

1^st number: 1 11/21, 2^nd number: 7/75

32/21 + 7/75 is 283/175.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 75 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 75 × 7 = 525,
7/75 = 7 × 7/75 × 7 = 49/525
Add the two like fractions:
800/525 + 49/525 = 800 + 49/525 = 849/525
849/525 simplified gives 283/175
So, 32/21 + 7/75 = 283/175
In mixed form: 1108/175

MathStep (Works offline)

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