Question

(1) express the -4 /7 as a rational number with numerator is= - 12 second (2)Express -3 / 8 as a rational number with denominator = - 40​

Answer 1

Step-by-step explanation:

-4/7 with numerator -12 = - 4/7 × 3/3 = -12/21

- 3/8 with dinominator - 40 = -3/8 × -5/-5 = 15/-40

Answer 2

Answer:

1) -12/21

2) 15/-40

Step-by-step explanation:

You have to multiply the same number to numerator which you are multiplying to the denominator.

1) Making the numerator -12 means multiplying 3 to the numerator as well as the denominator.

2) Making the denominator -40 means multiplying -5 to the denominator as well as the numerator