express 0.45(bar0.45(bar on 45) in form of p/q ?
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x=0.454545....--(1)
multiply(1) by 100
100x=45.4545...--(2)
subtract(1) from (2)
100x-x=45.4545...-0.4545..
99x=45
x=45/99=5/11
multiply(1) by 100
100x=45.4545...--(2)
subtract(1) from (2)
100x-x=45.4545...-0.4545..
99x=45
x=45/99=5/11
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