Question

Express each of the following decimal in the form of p/q
(i) 21.75
(ii) 0.621 (bar on 621)
(iii) 4.32 (bar on 2)
(iv) 2.0025
(v) 0.123 (bar on 3)
(vi) 15.712 (bar on 2)

pls guys give me answer fast
i need it urgent
pls​

Answer 1

hey mate here is ur answer hope u find them helpful

Answer 2

1. 21.75=2175/100 (here removing decimal we divide that many times of 10. here 2 decimal numbers are there so divide by10^2)
2. 0.621=621/999 (bar removing technique is if decimal after the no.of digits having bar is 3 here divide that many 9's.....i.e.999)
3. (432-43)/90=389/90( here bar is only on 2.. remaining part should subtract here and the denominator 9 follows zero
4. 2.0025=20025/10000
5. (123-12)/900=111/900
6. 15.712=(15712-1571)/900

• =14141/900
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