736 and 21 are comprime so the fraction cannot be reduced.
552/736 = 552 ÷ 8/736 ÷ 8 = 69/92
13/21 can't be reduced.
21/40 cannot be reduced.
25/21 is already reduced to its lowest terms
The fraction 19/21 cannot be reduced any more.
No.
Yes, 21/3 = 7/1
No, 21 over 32 cannot be reduced.
No, it cannot.
21/35 = 3/5
3/8
26/21