FRAME 2-5.
Solution to
Frame 2-4.
When you divide a fraction by another fraction, invert (flip) the second
fraction and multiply the fractions.
a. 1
b. 3
4
8
For example:
2
4
2
5
2x5
10
=
X
=
=
c. 14
d. 6
3
5
3
4
3x4
12
560
12
To solve the problem 1/2 1/4 (one-half divided by one-fourth), you
would invert the (choose one -- 1/2; 1/4) and multiply.
6 asks, "How many groups of 6 are in 18?", so
NOTE: Just like 18
1/2 1/4 asks, "How many one-fourths are in one-half?" (or, "How many
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FRAME 2-6.
Solution to
Frame 2-5.
Solve these problems.
1
1/2 =
4
a. 1/4
1/4 =
1/2
1/6 =
b. 1/2
1/2 x 4/1 = 4/2 = 2
3/7 =
c. 2/3
half)
2/3 =
d. 3/7
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FRAME 2-7.
Solution to
Frame 2-6.
ADDING AND SUBTRACTING FRACTIONS. Have you ever heard
someone say, "You can't add apples and oranges"? Well, there is a
a. 2
b.
6
similar rule when working with fractions -- you can't add fractions with
4
2
different denominators.
c. 14
d. 9
This means that, in order for two fractions to be added together, the
9
14
numbers must be the same.
a.
Top
b.
Bottom
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MD0900
2-3