Question

1 question answer please​

Answer 1

(i) We have:

−11/5 and 4/7

So,

−11/5 +  4/7

= −11×7/5×7 + 4×5/7×5

= −77/35 + 20/35

=  (−77+20)/35

=  −57/35

Now,

4/7  and −11/5

= 4/7 + −11/5

= 4×5/7×5 + −11×7/5×7

= 20/35 and −77/35

= (20–77)/35 = −57/35

Hence, verified.


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