ANSWERS:

27, 99

(2) 73 = 24 1

3

3

(1) 3 18

(3) 92 = 1 1

27

91

91

No

(4) 156 = 3 6 or 3 3

50

50

25

3

2

(5) 111 = 11 1

3

10

10

You have noticed that mixed numbers must be changed to improper fractions before you can

add or subtract them. If you wanted to add

4 1 and 2 , you would first make 4 1 an

improper fraction

as follows:

3

3

3

4 x 3 = 12 Multiply the whole number (4) by the denominator (3)

+ 1 Add the numerator (1).

13 Place this answer over the denominator, and you have 13

3

13 + 2 = 15 = 5

3

3

3

Now change 2 4 to an improper fraction.

5

Answer

.

60

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