Question

please answer this question question 5

Answer 1

let the other number be x.
ATQ:
x*(-12/7)=-9/4
x=9*7/(12*4)
=63/48
done.
;-)

Answer 2

let the other no. = x

-12/7 multiply by x = -9/4

x = -9/4 multiply by -7/12

x=21/16