Question

Learning task 2. Perform the indicated operations​

Answer 1

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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