Question

What is the missing numerator?

Four fifths minus blank over nine equals six forty fifths
A) 7
B) 6
C) 5
D) 4

Answer 1

6

Explanation:

(4/5)-(x/9)=6/45

6/45=(6/3)/(45/3)=2/15

4/5-(x/9)=2/15

(4/5)-(2/15)=(x/9)

(4*3)/(5*3) = 12/15

12/15-2/15=10/15

10/15=2/3

2/3=6/9