express 4.7231 (31 bar)in the form p q
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4.7231313131...
100x=472.313131...
10000x=47231.313131....
10000x-100x=47231.313131....-472.3131....
9900x=46759
x=46759/9900------- is the p/q form
.
100x=472.313131...
10000x=47231.313131....
10000x-100x=47231.313131....-472.3131....
9900x=46759
x=46759/9900------- is the p/q form
.
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