Question

1. What should be added to 2 2 + + 2 2 to obtain 3 2 + 5 ?

Answer 1

Answer:

For example

What should be added to (-1/3+2/5) to obtain 3/4?

41/60

i.e 3/4-(-1/3+2/5) = 41/60

….

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Let the number to be added be X

Then, (-1/3+2/5) + X = 3/4

or, X = 3/4 -(-1/3+2/5)

or,X = 3/4 - {( -5 + 6)/15}

or,X = 3/4 - 1/15

or,X = {(45–4)/60}

or, X = 41/60 Ans.

Thus, 41/60 should be added to (-1/3 + 2/5) to get 3/4.

Proof-

Let us add 41/60 to (-1/3+2/5) and check whether it equals 3/4 or not??

-1/3 + 2/5 + 41/60

= {(-20 + 24 + 41)/60}

={(45)/60} ( simplify it)

=3/4

Hence, proved.

Hope you understood…

Step-by-step explanation:

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