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lesya [120]
3 years ago
5

1 divided by 7/8? help?

Mathematics
2 answers:
slavikrds [6]3 years ago
6 0

I'm guessing that you've probably learned how to divide fractions by now.  The
problem you're having with this one is that one of the numbers is not a fraction. 
That's no big deal.  Go ahead and MAKE it one.

 ' 1 '  is exactly the same number as  ' 1 / 1 '.

Now you have one fraction divided by another fraction. I'm pretty sure you
know how to do that:  Flip the second fraction over, and then multiply them.

  ( 1 / 1 ) divided by ( 7 / 8 )  =  ( 1 / 1 ) times ( 8 / 7)    Answer:  <em>8 / 7 .


</em>
Hey !  Look what else you just learned from this problem ! 

        <em>  ( 1 ) divided by (any fraction)  =  (flip the fraction over)</em>

You should memorize that.  You'll use it for years and years, millions
of times. 

It's used so often, there's a special name for it. 

             1/(any number)    is called the "<em>reciprocal</em>" of the number. 

[  ree - SIP - ra - kl ]

If the number is a fraction, just flip the fraction over to get its reciprocal.

Learning that was much more important than getting the answer to

   1  divided by  7/8 .


klio [65]3 years ago
4 0
1 divided by (7/8) is the same as 1 times (8/7). Dividing is the same as multiplying by the reciprocal.

1 * (8/7) = 8/7
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How to solve 7(4×1/2)+3(5×1/3)+2(-3×1/2
kipiarov [429]

Multiple: 4 * 1 /2  = 4 · 1  = 4 /2  = 2 · 2

                             1 · 2              1 · 2  = 2

Multiply both numerators and denominators. Result fraction keep to lowest possible denominator GCD(4, 2) = 2

Multiple: 7 * 2 = 14

Multiple: 5 * 1 /3  = 5 · 1

                             1 · 3  = 5 /3

Multiply both numerators and denominators. Result fraction keep to lowest possible denominator GCD(5, 3) = 1

Multiple: 3 * 5 /3  = 3 · 5

                              1 · 3  = 15 /3  = 5 · 3

                                                    1 · 3  = 5

Multiply both numerators and denominators. Result fraction keep to lowest possible denominator GCD(15, 3) = 3

Add: 14 + 5 = 19

Multiple: -3 * 1 /2  = -3 · 1

                               1 · 2  = -3 /2 = -1.5 · 2

                                                       1 · 2

Multiply both numerators and denominators. Result fraction keep to lowest possible denominator GCD(-3, 2) = 2

Multiple: 1/2 * (-3 /2 ) = 2 · (-3)

                                    1 · 2  = -6 /2  = -3 · 2

                                                           1 · 2  = -3

Multiply both numerators and denominators. Result fraction keep to lowest possible denominator GCD(-6, 2) = 2

Add: 19 + (-3) = 16

7(4×1/2) + 3(5×1/3) + 2(-3×1/2) = 16 /1  = 16  


6 0
4 years ago
Solve the equation. Check your solution. :) Thanks!
Elden [556K]

Hi!

-32 = 4b

4b = -32

b = -32 : 4

<u>b </u><u>=</u><u> </u><u>-</u><u>8</u>

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3 years ago
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Answer:

3315

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(1531 + 1784) = 3315

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