Match each answer to a letter in the key. Write the letter on the line above the problem number to answer the riddle. The first one is done

1. 1/2 + 3/4 =_______
2. 1/6 + 1/3 =_______
3. 2/3 +1/3=_______
4. 1/2 - 1/4=_______
5. 3/2- 1/4 =c 5/4
6. 4/12- 1/6=______

Key
C 5/4
H 1
I 1/2
U 1/4
P 1/2
S 2​