Question

3. Find the missing number:
3 3/4+? = 4​

Answer 1

Let ? be x.

9/4+x=4

x=4-9/4

x=7/4.

Answer 2

3 3/4+ x=4

15/4 + x= 4

x= 4-15/4

x = 16-15/4

x = 1/4