NUMERATOR DENOMINATOR How to multiply a whole number by a fraction. 1 Make the whole number 4 into a...
12
NUMERATOR DENOMINATOR How to multiply a whole number by a fraction. 1 Make the whole number 4 into a fraction. 1 6 4 x = 4 1 Multiply the 4/1 by 1/6 x 1 6 Multiply the two numerators = 4 Multiply the two denominators 6 = 2 3 Reduce fraction, if needed 1 6 1 6 1 6 = 4 6 1 6 = 2 3
-
Upload
jordan-mathews -
Category
Documents
-
view
215 -
download
0
Transcript of NUMERATOR DENOMINATOR How to multiply a whole number by a fraction. 1 Make the whole number 4 into a...
NUMERATOR DENOMINATOR
How to multiply a whole number by a fraction. 1
Make the whole number 4 into a fraction.
164 x = 4
1
Multiply the 4/1 by 1/6
x 16
Multiply the two numerators
= 4
Multiply the two denominators
6 = 23
Reduce fraction, if needed
16
16
16
=
461
6= 2
3
NUMERATOR DENOMINATOR
How to multiply a whole number by a fraction. 2
Make the whole number 5 into a fraction.
145 x = 5
1
Multiply the 5/1 by 1/4
x 14
Multiply the two numerators
= 5
Multiply the two denominators
4 = 14
Reduce fraction, if needed
14
1
14
14
14
=
14 1
14
= 141
NUMERATOR DENOMINATOR
How to multiply a whole number by a fraction. 3
Make the whole number 5 into a fraction.
135 x = 5
1
Multiply the 5/1 by 1/3
x 13
Multiply the two numerators
= 5
Multiply the two denominators
3 = 23
Reduce fraction, if needed
1
13
13
13
13
13
=
123
1 23
NUMERATOR DENOMINATOR
How to multiply a whole number by a fraction. 4
Make the whole number 4 into a fraction.
110
4 x = 41
Multiply the 4/1 by 1/10
x 110
Multiply the two numerators
= 4
Multiply the two denominators
10 = 25
Reduce fraction, if needed
110
110
110
110
=
410 = 2
5
NUMERATOR DENOMINATOR
How to multiply a fraction by a whole number 5
Rewrite the 2/3.
23 4 = 2
3
Make the 4 into a fraction (4/1).
x 41
Multiply the two numerators
= 8
Multiply the two denominators
3 = 23
Reduce fraction, if needed
2
23
=
1
= 232
x
23
23
23 1
23
NUMERATOR DENOMINATOR
How to multiply a fraction by a whole number 6
Rewrite the 2/3.
23 4 = 2
3
Make the 4 into a fraction (4/1).
x 41
Multiply the two numerators
= 8
Multiply the two denominators
3 = 23
Reduce fraction, if needed
2
23
=
1
= 232
x
23
23
23 1
23
NUMERATOR DENOMINATOR
How to multiply a fraction by a whole number 7
Rewrite the 1/8.
18 5 = 1
8
Make the 5 into a fraction (5/1).
x 51
Multiply the two numerators
= 5x
Multiply the two denominators
8
Reduce fraction, if needed
18
58
18
18
18
18
=
NUMERATOR DENOMINATOR
How to multiply a fraction by a whole number 8
Rewrite the 3/10.
310
3 = 310
Make the 3 into a fraction (3/1).
x 31
Multiply the two numerators
= 9x
Multiply the two denominators
10
Reduce fraction, if needed
310
310
310
=
910
How to divide a fraction by a whole numberNUMERATOR DENOMINATOR
Rewrite the 1/3.
13 3 = 1
3
Make the 3 into a fraction (flip, write as 1/3).
x 13
Multiply the two numerators
= 1
Multiply the two denominators
9
Make a model, divide each section into 3 equal parts
9
How to divide a fraction by a whole numberNUMERATOR DENOMINATOR
Rewrite the 1/4.
14 5 = 1
4
Make the 5 into a fraction (flip, write as 1/5).
x 15
Multiply the two numerators
= 1
Multiply the two denominators
20
Make a model, divide each section into 5 equal parts
10
How to divide a whole number by a fractionNUMERATOR DENOMINATOR
Rewrite the 3 as a fraction.
133 = 3
1
Rewrite the 1/3 as a flipped fraction (flipped 3/1).
x 31
Multiply the two numerators
= 9
Multiply the two denominators
1= 9
Make a model
11
How to divide a whole number by a fractionNUMERATOR DENOMINATOR
Rewrite the 4 as a fraction.
124 = 4
1
Rewrite the 1/2 as a flipped fraction (flipped 2/1).
x 21
Multiply the two numerators
= 8
Multiply the two denominators
1= 8
Make a model
12
