Answer:
Yes, to add a positive number you ALWAYS move right on the number line.
Answer:
That's a bit hard. Hope you can solve it!
The answer to this question is zero (0)
The value of the given expression is 
Solution:
Given expression is
.
Let us first convert mixed fraction into improper fraction.

Substitute this in the given expression.


To simplify the above expression, 21 and 60 are cancelled by 3.

Do cross multiplication to make the denominator same.



The value of the given expression is 