Math, asked by bangtannamjoon, 2 months ago

Express the following decimals in p/q form.

(i) 6.621621621... (621 is repeating)
(ii) 15.712121212... (12 is repeating)

Please help me guys. ​

Answers

Answered by KookieeLove
62

Answer:

Let a=15.7121212

then 100a=1571.21212

Calculate

100a-a=99a

=1571.2121212...-15.7121212...

=1555.5

therefore

a=1555.5/99

=15555/990

=1037/66

so p=1037, q=66

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