Dividing Rational Numbers
4.32 / 1.2=
3.6
-15.6 x -2=
31.2
5/8 - 3/4
-1/8
-3 + -6=
-9
We see ___________ numbers frequently in real life.
Rational.
-8/9 / -4/9=
2
4.5 x 3
13.5
-2.9 - 1.6=
-4.5
-5 + -14=
-19
Rewrite the problem to add the __________. Then follow the rules for adding.
Opposite.
-3/10 / -4/5=
3/8
-2.5 x 7=
13.5
-20 - (-9)=
-29
-11 + 3=
-8
The _________ for fractions is the same. It just requires more steps.
Process.
2 3/4 / 2/3=
4 1/8
-11.8 x -5
59.0
On Monday Melody checks her bank balance and has $437.23. She knows that she will get paid on Friday and earn $236.12. She pays her bills which amount to $582.96. What will Melody's bank balance be after she pays her bills and gets her paycheck ?
(No addition)
90.39
8 + -17=
-9
When subtracting, we will use the _____ ______ to add the opposite. Then, follow the rules for adding integers.
Additive Inverse.
1 3/8 / 1/8=
11
2 1/2 x -3/4=
-1 7/8
During a drought the local lake was 2 1/4 feet below normal levels. Two weeks later, the water level had dropped to an additional 1 3/8 feet. How far below did the normal level was the water after two weeks ?
3 5/8
Micky borrowed $75.00 from his grandparents to purchase season pass to a theme park. After saving up allowance for one month, he is able to pay the $24.65.. How much does he still owe his grandparents ?
50.35
The same ________ apply to adding various types of rational numbers.
Steps.