Question

? must be added to -1/4 to get 2/8​

Answer 1

Answer:

Answer is 1/2

Step-by-step explanation:

-1/4+x= 2/8

x= 2/8+1/4

x= 2+2/8

x= 4/8

x= 1/2

So +1/2 must be added

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Answer 2

Question:

• What must be added to -1/4 to get 2/8.

Answer:

• $\dfrac{1}{2}$

Solution:

Let the number be x.

so,

$\mapsto-\dfrac{1}{4}+x=\dfrac{2}{8} \\\\\implies \sf x = \dfrac{2}{8}+\dfrac{1}{4}$

Reducing 2/8 to 1/4.

$\implies \sf x = \dfrac{1}{4}+\dfrac{1}{4} \\\\\implies x = \dfrac{1+1}{4}\\\\\implies x = \dfrac{2}{4}\\\\\implies\boxed{\pink{ x = \dfrac{1}{2}}}$

Therefore,

1/2 must be added to -1/4 to get 2/8.