Answer :

Well first turn them into improper fractions
6 1/4 = 25/4
4/5 just stays 4/5
Then multiply the numerators over the numerators and the denominators over the denominators:
25/4 and 4/5
After that multiply the tops by the bottom
25 times 4 =100
4 times 5= 20
100/20 = 5
5 is ur answer