Page 196 - Math Smart - 7
P. 196
Example 7
.
O Find the sum of ^ and ^ Q Find the sum of :j^ and |.
Give your answer in the simplest form. Express your answer as a mixed
number in the simplest form.
Solution
1 + = 2. i Solution
6 ^ 12 12 ^ 12
= ^ +-S-
_ S_ 10^ 5 10 ^ 10
"
12
_ 15
10
_ 3 "
4
"
= 1-^
' 10
= li
and
Express
^
.
your
O Find the sum of ^| answer as a mixed number in the
simplest form.
Solution
The LCM of 2, 4 and 8 is 8.
4 . 6 Z
2 ^ 4^8" 8 8^8
1x4 = 4
17 2x4 = 8
3X2 = 6
= 2^ 4x2 =
8
O Subtract J from ^
0 Find the difference between |
and
Solution
Give your answer in the simplest form.
Solution
j_ 6_ J_
10 10 10
_5.
10
1
2
Example 9
What is the value of | | answer in the simplest form.
Give
^
?
your
+
Solution
3^2 J_
4 5 20 ~ 20 20 20
_ 22
~ 20
=
1
20
- 10
UNIT 8 I Fractions
