Question

should be added to minus 5 upon 7 to get minus 2 upon 3 ​

Answer 1

Answer:

Let the number required be x

ATQ:

-5/7+x=-2/3

x=-2/3+5/7

x=-14+15/21

x=1/21

Therefore, 1/21 must be added to - 5/7 to get - 2/3

Answer 2

Answer:1/21

Step-by-step explanation:

Let x should be added

-5/7 + x= -2/3

x = -2/3 + 5/7

x = 1/21