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4 years ago

How do you subtract fracions and mixed fractions? Write your answer onyour paper

Mathematics

1 answer:

bezimeni [28]4 years ago

7 0

Answer:

when u subtract fractions u have to make sure they have a common denominator so u can subtract evenly so say I have 2/5 - 4/6 i have to make a common denominator of 30 so the 2/5 would turn to 12/30 and the 4/6 would be 20/30 then you do 20-12 to get 8/30 and with mixed fractions u do the same exept multiply the denominator by the whole then add the neumorator to the number u just got and add them together and then subtract.

hope this helped :)

Step-by-step explanation:

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3 years ago

Can someone solve this? i have a photo.

shepuryov [24]

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Step-by-step explanation:

In order to write an equivalent equation for the first equation, you can multiply both sides by 15:

$(15)(\frac{x}{5}+\frac{y}{3})=(8)(15)\\\\3x+5y=120$

Then, you get this system of equations:

$\left \{ {{3x+5y=120} \atop {x-2y=7}} \right.$

Now, you can apply the Elimination Method to solve the system of equations:

1. Multiply the second equation byb -3.

2. Add the equations.

3. Solve for "y".

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$\left \{ {{3x+5y=120} \atop {-3x+6y=-21}} \right.\\.....................\\11y=99\\\\y=9$

4. Substitute the value of "y" into any original equation and solve for "x" in order to find its value:

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$(25,9)$

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3 years ago

(y+7) what does that equal

Roman55 [17]

You don’t know because y isn’t an actually number unless you know what it’s supposed to equal. For example, if y=18, y+7 would be 25 but since you don’t know what y is, it’s undefined.

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3 years ago

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How do you subtract fracions and mixed fractions? Write your answer onyour paper​

How do you subtract fracions and mixed fractions? Write your answer onyour paper