Answer :
2 and 5/8
8 goes into 21 twice than you need to add 5 to get 21.
8*2=16 than 16+5=21
8 goes into 21 twice than you need to add 5 to get 21.
8*2=16 than 16+5=21
The answer is 2 5/8.
divide 21 (the numerator) by the denominator of 8