Question

1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72+1/90

Answer 1

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Answer 2

Answer:

1.4

Step-by-step explanation:

We can solve this question as follows,

(1/2+1/6+1/12)+1/20+1/30+1/42+1/56+1/72+1/90

(12+2+1)/12 +(3+2)/60)+ 1/42+1/56+1/72+1/90

15/12+ 5/60 +  1/42+1/56+1/72+1/90

(75+5)/60+ 1/42+1/56+1/72+1/90

80/60+ 1/42+1/56+1/72+1/90

4/3+1/42+1/56+1/72+1/90

3360+60+45+35+28/2520

3528/2520

1.4