3. 5 2/3; 1 1/5; 2 1/4; 2 1/7; 5 1/2
4. 7 10/18 + 3 9/18= 10 19/18 = 11 1/18
7 5/9+ 3 1/2= 7 10/18+ 3 9/18=11 1/18
3. 5 2/3; 1 1/5; 2 1/4; 2 1/7; 5 1/2
4. 7 10/18 + 3 9/18= 10 19/18 = 11 1/18
7 5/9+ 3 1/2= 7 10/18+ 3 9/18=11 1/18