Answer :

they are both fractions, but 3/3 is 1 whole and 4/4 is 1 whole also. so 1 whole times 1 whole equals 1 number form of my explanation: 3/3=1 4/4=1 1x1=1 Describe complete!
1 It means 3 divid by 3 = 1 , 4 divid by 4= 1, 1 times 1 = 1