Learning Task 2. Perform the indicated operations.
3 9
3
1.
7
14
х
1 1
1
3
S*)
7. 8
2.
6
4
2.
4
4
8. 4 5
3.
18
6
9. 10
5 15
2 3
5.
6
10.
Answers
Answered by
2
Given : 3/7 + 9/14
1/6 + 3/4
4/6 + 4/18
4/5 - 6/15
2/5 - 3/6
3/7 x 4/5
(5/8) x (-5/3)
3/4 ÷ 2/5
9/10 ÷ (-4/5)
3 6/7 x 2 2/5
To Find : Perform the operations
Solution:
3/7 + 9/14
= ( 6 + 9)/14
= 15/14
1/6 + 3/4
= ( 2 + 9)/12
= 11/12
4/6 + 4/18
= ( 12 + 4)/18
= 16/18
= 8/9
4/5 - 6/15
= ( 12 - 6)/16
= 6/15
= 2/5
2/5 - 3/6
= ( 12 - 15)/30
= -3/30
= - 1/10
3/7 x 4/5
= 12/35
(5/8) x (-5/3)
= -25/24
3/4 ÷ 2/5
= 3/4 x 5/2
= 15/8
9/10 ÷ (-4/5)
= 9/10 x ( -5/4)
= -45/40
= -9/8
3 6/7 x 2 2/5
= 27/7 x 12/5
= 324/35
= 9 9/35
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