Question

What rational number should be subtracted from minus 23 upon 5 to get minus 7 upon 2

Answer 1

Answer:

-11/10

Step by step solution:

Let the unknown rational number be x,

The given expression is

-23/5 -x = -7/2

23/5 + x = 7/2

By solving the above equation, we get x = -11/10

Answer 2

Answer: -11/10

Step-by-step explanation:

Let the required rational number be x

-23/5 - x = -7/2

-23/5 + 7/2 = x

-46/10 + 35/10 = x             LCM of 5 and 2 is 10

-11/10 = x