Expess vulgar fraction as the simplest form 1.57 bar on 7
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Answer:
x = 1.577777...
10x = 15.7777...
100x = 157.7777..
100x - 10x = 157.777.. - 15.7... = 142
90x = 142
x = 142/90 (next you know what to do)
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