How do write in simplest form given #13/20-2/5#?

Answer 1

#1/4#

Get the equation to the lowest common denominator by multiplying 5 and 2 by 4 because what you do to the denominator you have to do to the numerator:

#13/20-8/20#

This is then simplified to #5/20#

Since 20 and 5 are divisible by 5 this is further simplified to :

#1/4#

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Answer 2

Levi Adams

To write the expression ( \frac{13}{20} - \frac{2}{5} ) in simplest form, you need to find a common denominator for the fractions, which in this case is 20. Then, rewrite the fractions with the common denominator:

[ \frac{13}{20} - \frac{2}{5} = \frac{13}{20} - \frac{4}{20} ]

Now that the fractions have the same denominator, subtract the numerators:

[ \frac{13}{20} - \frac{4}{20} = \frac{13 - 4}{20} = \frac{9}{20} ]

So, ( \frac{13}{20} - \frac{2}{5} ) simplified is ( \frac{9}{20} ).

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.