Question

What should be added to 2/5 to get minus 3 upon 2

Answer 1

2/5+x=-3/2
x=-3/2-2/5.
x=(-15-4)/10. (lcm of 2,5=10)
x=-19/10
x=-1.9

Answer 2

heya

Suppose 'x' should be added to 2/5 to get -3/2

According to the question,

===> 2/5 + x = -3/2

===> x = -3/2 - 2/5

===> x = -19/10

So, -19/10 should be added to get -3/2

hope it helps