Answer:
i don't know sorry
Step-by-step explanation:
but i can try and work it out but it will take me a while
f = 2 1/4
f-3/4=1 1/2
Add 3/4 to each side
f-3/4+3/4=1 1/2+3/4
f = 1 1/2 +3/4
Get a common denominator
f= 1 2/4 + 3/4
= 1 5/4
= 1 + 4/4 + 1/4
= 2 1/4
wheres the pic?