Question

Please solve step by step​

Answer 1

Answer :  2+1 = 1  ,  3+4 = 1

              So, 1/1  +  1/3

           = 0/2

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Answer 2

Answer:

(2/3-1/4) +(2/5-1/2)

(8-3/12)+(4-5/10)

5/12-1/10

25-6/60

19/60