Math Word Problems Demystified - A Self Teaching Guide

(Marvins-Underground-K-12) #1
SOLUTION:

6

9

10

¼ 6

27

30

 2

2

3

¼ 2

20

30

4

7

30

No borrowing is necessary here.
When borrowing is necessary, take one away from the whole number
and add it to the fraction. For example,

8

3

5

¼ 8 þ

3

5

¼ 7 þ 1 þ

3

5

¼ 7 þ

5

5

þ

3

5

¼ 7

8

5

Another example:

11

4

9

¼ 11 þ

4

9

¼ 10 þ 1 þ

4

9

¼ 10 þ

9

9

þ

4

9

¼ 10

13

9

EXAMPLE:Subtract 7

1

4

 3

5

8

:

SOLUTION:

7

1

4

¼ 7

2

8

¼ 6

10

8

 3

5

8

¼ 3

5

8

¼ 3

5

8

3

5

8

To multiply or divide mixed numbers, change the mixed numbers to
improper fractions, and then multiply or divide as shown before.

EXAMPLE:Multiply 3

3

8

 2

2

3

:

22 REFRESHER II Fractions

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