How many classes have between 27 and 31 students?
1 answer:
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The problem is 
Add the whole numbers
Match up the fractions and make sure the denominators are the same (they are)
Break down the fraction
÷ 
Reduce-You need to find a common factor for both the numerator and denominator
÷ 
÷ 
Combine everything
Answer:
Add the whole numbers
Match up the fractions and make sure the denominators are the same (they are)
Break down the fraction
Reduce-You need to find a common factor for both the numerator and denominator
Combine everything
Answer:
