Question

please solve these questions by showing the working​

Answer 1

Answer:

1) Additive Inverse of 4/7= 0- 4/7= -4/7

Multiplicative Inverse of 5/9= 1/(5/9)= 9/5

(-4/7)-(9/5)= -20-(+63)/35= -20-63/35= -83/35.

2) 1- 7/10= 10/10- 7/10= 3/10 or 0.3

Additive Inverse of 3/10= 0-3/10= -3/10 0r -0.3

Refer to Attachments.

3) LCM of 2 and 4= 4

So, -3/2= -6/4, and 5/4 will remain same.

So, The Three Rational Numbers can be= -5/4, -3/4, -2/4.

Thanks.

I am Not Sure about the 3rd Answer.

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