Question

chapter 1 rational number class 8th​

Answer 1

Step-by-step explanation:

1. 3/7 + (-6/11) + (-8/21) + (5/22)

now,

3/7- 8/21 + 5/22 - 6/11

= 9-8/21 + 5-12/22

=1/21 + (-7/22)

=22- 147/462

= -125/462 Ans

2. 2/5 × -3/7 - 1/14 - 3/7 × 3/5

= -6/35-1/14-9/35

= -15/35-1/14

= -30-5/70

= -35/70

= -1/2 Ans

Answer 2

Answer:

Hi,.. Here your answer.

1st answer:.

2nd answer:.

3rd answer:.

Hope this helps definetly. Thank you. Bye.