Page 104 - New Medley 4 Semester 2 PDF (Merged)

71 11
= =5 (Convert into mixed fraction)
12 12

5 1 3
Example 16: Subtract: (a) 4 -2 (b) 6- 3
8 4 7

5 1  5 1 
Solution: (a) 4 - 2 = (4 – 2) +  - 
8 4  8 4 

 5 2   1 1×2 2 

= 2 +  -   = = 


 8 8   4 4× 2 8 
 5- 2  3 3

= 2 +   =2 + =2
 8  8 8
 

3 24 6× 7 24
(b) 6- 3 = 6- = -
7 7 7 7

42 24 42 -24 18 4
= - = = =2
7 7 7 7 7

EXERCISE 1.6

A. Add the following.
1 2 1 5 4 2 3 11
1. + 2. + 3. + 4. +
6 3 2 8 5 20 8 20
2 1 3 2 1 5 4 7
5. + 6. + 7. + 8. +
5 4 5 7 4 8 15 10

B. Find the sum.
2 3 1 2 4 2 4
1. 4+ 2. 2 +4 3. 5 + 4. 6 +2
3 4 4 7 7 3 9

1 3 1 4 2 2 2 4
5. 4+ + 6. 4 +5 + 7. 1 +2 8. 1+ +1
2 4 3 6 3 3 3 9

C. Subtract the following.
5 1 4 3 3 5 16 3
1. - 2. - 3. - 4. -
9 3 5 10 6 12 21 7

7 3 4 1 6 2 7 3
5. - 6. - 7. - 8. -
8 4 7 3 12 9 15 10

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