What is 21/8 as a mixed number?

2 5/8. To find the mixed number, find out how many times 21 can go into 8. 21 can go into 8 2 times. So you know that two is the whole number for the mixed number. 8 x 2 = 16.

Subtract 16 from 21 to get your remainder. 21-16=5

That is your new numerator.

The denominator, 8, will always stay the same.

21/8 as a mixed number is 2 5/8.

2 5/8 is your answer