Question

add the following rational numbers
4/7+ -5/7​

Answer 1

Answer:  -1/7

Step-by-step explanation:

                               = 4/7+(-5/7)

                               =4/7 - 5/7

                                = -1/7

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Answer 2

Step-by-step explanation:

1st multiply the signs.

The answer is (-) as positive and negative is equal to negative.

2nd minus the both numerators as the denominators are the same.

4 minus 5 is equals to negative 5 or -5.

And the denominator would be written the same as it is.