How to add and subtract rational numbers

1 answer:

7 0

Before you add or subtract, the rational numbers should have the same bottom number(called a common denominator.)

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Advocard [28]

Answers D. and E. are correct.
I think that B might also be correct, I hope This helps.

7 0

3 years ago

serg [7]

<span>[3 - (4 + 32 * 8) ÷ 4]
=</span>[3 - (4 + 4) ÷ 4]
= 3 - 8 ÷ 4
= 3 - 2
= 1

7 0

3 years ago

Dmitriy789 [7]

Do you have any options to choose from if so what are the options?

4 0

4 years ago

dezoksy [38]

Answer:

$0.67x-2=0.43$

Step-by-step explanation:

2/3 = 0.6 repeating

3/7 = 0.42857

7 0

3 years ago

Harrizon [31]

Using the formula a^2-b^2=(a-b)(a+b)

you get

(1/2x^2-2) (1/2x^2+2)

4 0

3 years ago