Question

1_2/5:(-1_4/7)=?????????​

Answer 1

Ответ:

1 2/5:(-1 4/7)

1)7/5:(-11/7)

2)-7/5:11/7=-7/5*7/11

3)-49/55

Ответ:-49/55

Answer 2

To solve this expression, we first need to convert the mixed numbers into improper fractions.

1_2/5 can be written as (5 * 1 + 2) / 5 = 7/5.

Similarly, -1_4/7 can be written as (-7 * 1 - 4) / 7 = -11/7.

Now, the expression becomes:

(7/5) / (-11/7).

To divide fractions, we multiply the first fraction by the reciprocal of the second fraction:

(7/5) * (-(7/11)) = -49/55.

So, 1_2/5 : -1_4/7 = -49/55.