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
REDUCING MIXED NUMBERS TO IMPROPER FRACTIONS
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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