When comparing five-fourteenths to one-half using mental math, what fraction is useful

Question

anonymous · Answer

i guess seven-fourteenths

parthkohli · Answer

The word 'useful' is ambiguous. What does 'useful' mean exactly?

anonymous · Answer

then you can easily compare that five-fourteenths has two 1/14 parts less than 
(7/14) or 1/2

parthkohli · Answer

I say that one-half is used a lot more in comparison to five-fourteenths.

parthkohli · Answer

But I am still not sure what 'useful' means here.

anonymous · Answer

then you can easily compare that five-fourteenths is two 1/14 parts less than (7/14) or 1/2

parthkohli · Answer

Or do you mean greater? @Vivi305

anonymous · Answer

I REALLY DONT KNOW

parthkohli · Answer

May I know where the question came from?

jiteshmeghwal9 · Answer

first make the denominators common

jiteshmeghwal9 · Answer

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parthkohli · Answer

One-half is greater, but the question asks for the 'useful'.

jiteshmeghwal9 · Answer

nw u can easily compare by seeing which numerators  is bigger

jiteshmeghwal9 · Answer

i guess 5/14 & 7/14 becoz these numbers tells us which no is bigger.
@ParthKohli wht do u think???