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5 July, 13:41

Express each repeating decimal as a fraction.

1.

1.8[4]

2.

2.1[26]

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Answers (1)
  1. 5 July, 14:55
    0
    Hello,

    1.8444444 ... = 1.8+1/10*0.44444 ...

    =1.8+1/10*4/9

    =1.8+4/90

    =162/90+4/90

    =166/90

    =83/45

    2.126262626 ... = 2.1+1/10*0.262626 ...

    =2.1+1/10*26/99

    =2.1+26/990

    =2079/990+26/990

    =2105/990

    =421/198
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