Question

easy fraction problem, just want to double check!

Answer 1

?

Answer 2

\[-4\div \frac{ 2 }{ 5 }\]

Answer 3

i dont know how, but i got -10?? that doesnt make sense does it?

Answer 4

−0.4

Answer 5

or -2/5

Answer 6

how did you get that

Answer 7

A piece of paper and pencil and my mind XD

Answer 8

could you show me?

Answer 9

sure

Answer 10

@yolomcswagginsggg You are supposed to show the steps used to obtain the answer, not the answer itself.

Remember, -4 = \(\frac{-4}{1}\).

Answer 11

−425=−4251=(−42)(15)=(−21)(15)=(−2)(1)(1)(5)=−-2/5

Answer 12

What I like to do, instead of dealing with dividing fractions...theres a trick where you can flip the fraction...and change it to multiplication

Ex:

\[\large a \div \frac{b}{c} = a \times \frac{c}{b}\]

So here

\[\large -4 \div \frac{2}{5} = -4 \times \frac{5}{2}\]

Which indeed = -10

Great job!

Answer 13

Thank you! I knew i got it right

Answer 14

A good way to check though,

You know 2/5 = 0.4

So what is -4 divided by 0.4? Also -10

Answer 15

@johnweldon1993 That's not taught at schools?

Answer 16

Yes it is, i just learned it