Question

express rational numbers and standard form (i) -12/28 (ii) -5/-6 (iii) 21/-49 (iv) -16/-64​

Answer 1

Answer:

(I)-12/28 is the answer. very simple

Answer 2

Answer:

Standard form is the lowest form. A rational number is said to be in its standard form when the common factor between the numerator and the denominator is only 1 while that denominator is always positive.

i) -3/7

ii) 5/6

iii) 3/-7 = -3/7

iv) 1/4

Step-by-step explanation:

i) Divide it by 4

ii) The minus gets cancelled as it it in both the numerator and the denominator.

iii) Divide it by 7. We can transfer the minus to the numerator.

iv) Divide it by 16. The minus gets cancelled as it it in both the numerator and the denominator.