SOLUTION: is 7 over 9 = 21 over 18 a proportion

Question 223200: is 7 over 9 = 21 over 18 a proportion

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
What you're basically asking is if is true.

Start with the given equation.

Cross multiply.

Multiply.

Since the right side is the bigger of the two numbers, this means which also means that .

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Answer

So which means that the two fractions and are not in proportion to one another.

So is NOT a proportion.
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