Question

{(3/4)-1÷(-2/5)-1} express the following in rational numbrrs

Answer 1

Answer:

We have,

(−1

5

/2

5

)=(−1×−1×−1×−1×−1)/(2×2×2×2×2)=(−1/32)

(2)

3

=(2×2×2)=8

(3

2

/4

2

)=(3×3)/(4×4)=(9/16)

Then,

=(−1/32)×8×(9/16)

=(−1×8×9)/(32×1×16)

By simplifying

=(−1×1×9)/(32×1×2)

=(−9/64)