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Verified Answer :

20/94

‌

=‌ 10/47 ‌(Decimal: 0.212766)‌

A great tip my math intervention teacher gave me was to factor out both the denominator (top) and the numerator (bottom)
for example 20 factors out to  225
and 94 factors out to 247
you can cross out 1 two in the top and in the bottom or "big ones"
so you'd end up with 25/47 not you just multiply the top 
2*5= 10 and keep the 47 as your denominator so your answer is
10/ 47 
hope that helps

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