Download Mixed Numbers

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#1
A mixed number has a part that is a whole
number and a part that is a fraction.
= 34
1
An improper fraction is when the numerator is
greater than the denominator.
1/4 1/4
1/4 1/4
1/4 1/4
1/4 1/4
=
8
4
numerator
denominator
copyright©amberpasillas2010
1
To Change An Improper Fraction To A Mixed Number
5
= 2
Divide the numerator by the denominator.
Put your remainder over the denominator.
2r1
21
2
denominator 2 5 numerator
−4
1
copyright©amberpasillas2010
3x3= 9
5 x 3 = 15
2 x 5 = 10
+ 3 x 5 = 15
19
4
1 15 15
15) 19
15
1) Find a common
denominator.
2) Add the numerators.
3) Keep the common
denominator the same.
4) Simplify or reduce.
Change improper
fraction to mixed #s.
4
copyright©amberpasillas2010
2
1
3
6
2
16
x
8
=
11
40 20
5 x 8 = 40
6 x 5 =30 40) 46
3
+ 8 x 5 =40
40
3
46
6
20 40
1
15
IMPROPER
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3x4=
6x4 =
1 x3 =
- 8 x3=
12
24
3
24
9
24
Always SHOW YOUR WORK!
This includes the Giant One.
÷
÷
3
3
3
8
copyright©amberpasillas2010
3
To multiply fractions you do NOT need common
denominators. Multiply the numerators and
Denominators straight across.
7
2
Change the
improper fraction to
a mixed number
4 = 28
3
6
4 46
6)28
24
4
Reduce!
4
4
6
÷
÷
2
2
=
2
4 3
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20+1
2 4 +x 1 21 = 42
3 20 5 5 15
12
2 15 4
15) 42
25
30
IMPROPER
12
copyright©amberpasillas2010
4
To divide fractions, multiply the first
fraction by the reciprocal of the second
fraction.
÷3
÷3
copyright©amberpasillas2010
To divide fractions, multiply the first
fraction by the reciprocal of the second
fraction.
copyright©amberpasillas2010
5
1x4=
6x4 =
6 x3 =
- 8 x3=
4
24
18
24
-14 ÷
24 ÷
Always SHOW
YOUR WORK!
This includes
the Giant One.
-7
12
2
2
copyright©amberpasillas2010
You do NOT need common denominators ☺
Multiply the numerators and denominators straight across.
4 =-20
3
6
-5
2
2 Reduce!
-36
6 -20
2
-3
18
6
)
Change the
improper fraction to
a mixed number
÷
÷
2
2
2
=
1
-3 3
copyright©amberpasillas2010
6
copyright©amberpasillas2010
#21
4
-1
2 = 30
7
7
6 = 13
7
7
17
3
27 7
7) 17
14
3
1st: Change your
mixed numbers to
improper fractions.
2nd: Subtract numerators.
3rd : The denominator
stays the same.
4th : Change your
answer to a mixed
number.
copyright©amberpasillas2010
7
#22
FRACTION REVIEW
Add Fractions: Find a common denominator.
Add the numerators, and keep the denominator
the same.
Subtract Fractions: Find a common
denominator. Subtract the numerators, and
keep the denominator the same.
Multiply Fractions: Multiply the numerators
and denominators straight across.
Divide Fractions: Multiply the first fraction by
the reciprocal of the second fraction.
Mixed Numbers: Change it to an improper
fractions first.
copyright©amberpasillas2010
8