Solution to

Frame 2-35.

To change a whole number to an improper fraction:

2 1/3

= 7/3

(1) Choose the desired denominator,

1 1/10

= 11/10

(2) Multiply the whole number by the denominator, and

4 2/5

= 22/5

(3) Place the product over the denominator.

For example:

3 = how may fifths?

3 = 3x5

15

=

5

5

Fill in the following:

2 =

__

2

7 =

__

5

10 =

__

3

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Solution to

Frame 2-36.

Remember " (a + b) (c + d) = ac + ad + bc + bd" from Frame 1-35? This

general formula can be applied to multiplying mixed numbers. For

2

=

example, in the problem 2 1/2 x 3 1/3, let a = 2, b = 1/2, c = 3, and d =

1/3.

7

=

10

= **30**/3

Solve the problem using the algebraic formula, then solve it using

improper fractions. Your answers should be the same.

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MD0900

2-16

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