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Bmunlbc Yo_'nusilenhVatcnrsCaOuqufstION 5LnALEeaAir coursew_315151_1icvoumn4...

Question

Bmunlbc Yo_'nusilenhVatcnrsCaOuqufstION 5LnALEeaAir coursew_315151_1icvoumn4

bmunlbc Yo_ 'nusilenhVatcnrs Ca Ou qufstION 5 LnALEeaAir coursew_315151_1icvoumn 4



Answers

Add or subcract as indicared. Write the answer in lower terms. See Erample 5 $$ \frac{4}{5}-\frac{1}{5} $$

Okay, so they were adding fractions. Remember? The important thing is to remember that the denominator is the same toe. Add them has to be the same. So here we have four face plus 1/5 and thankfully remember names already the same. So we just add the numerator sze So that gives us 5/5 which you recognizes one.

Here we have fractions that were subtracting when we subtract fractions, it's important to remember that the denominators have to be the same. So this common denominator of five in the 1st 2 fractions means that my answer is gonna have a five in the denominator Now taking a look at the numerator. It's going to be a little bit interesting because we have to figure out what number can be in the numerator such then negative for minus that number equals a positive for so this number is the one that we need to find. So we're gonna add four to both sides so that we have negative X equals positive eight and then we need to get rid of that negative. So we're going to multiply by a negative, giving us a positive X and now a negative eight. So if we were to then replace the numerator with a negative eight, then we would have the correct fractions

We're going to solve the problem. Negative. 4/5 minus 1/5. The nice thing about this is the dominators of the same for both fractions, the dominators, that number on the bottom. So in this case to five. So those numbers are the same. All I really have to look at are the number on top of the fraction called the numerator. So it religious guy look at the negative for minus one. So what I'm gonna do first, I'm gonna rewrite this as addition. So do that you leave your first number alone. Negative 4/5 stays negative. 4/5. And then I'm gonna add the opposite of the second number. So the opposite of 1/5 it's gonna be negative 1/5. So any time you rewrite Subtractions Edition, you just add the opposite of the second number. So now all I really have to look at is the negative four plus negative one. Since both numbers have the same sign, I'm gonna Adam together and keep the side. So negative four plus negative one is gonna be negative. Five. The number on the bottom of the denominator stays. Five Doesn't change all now, this one so negative. Five or five is my answer. But this fraction can be simplified. You can divide five and negative five by five. So if we simplify this and you divide both numbers by five, negative five divided by five is negative. One five divided by five is positive one. So this one simplifies to just negative one because we don't have to put

We're going to solve the problem. Negative. 4/5. Minus negative. 1/5. The nice thing about this is both denominators of the same. They're both of five denominators. A number of the bottom of the fraction. So we don't have to worry about that. All the answer is gonna have a five of the bottom of the answer would have to look at. Is that negative for minus negative one? What I'm gonna do to solve this is I'm gonna rewrite it as addition. To do that, I leave the first number alone. Negative. 4/5 stays negative. 4/5. And I'm gonna add the opposite of the second number to the opposite of negative one of her five. It's gonna be positive. 1/5. That five is going to stay on the bottom. That doesn't change it all. Dominator stays the same. I just have to look at negative four plus one. Since those two numbers have opposite signs, we're going to subtract them. Four minus one will give us three, and then the bigger number is the four. It has a negative sign there, so it's gonna be a negative three. So you answer for this


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