How do you subtract #2\frac { 1} { 2}  \frac { 4} { 5}#?
So
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To subtract 2\frac {1} {2}  \frac {4} {5}, first convert both mixed numbers to improper fractions. Then subtract the fractions. The steps are as follows:

Convert 2\frac {1} {2} to an improper fraction: (2\frac {1} {2} = \frac {2 \times 2 + 1} {2} = \frac {5} {2})

Subtract (\frac {4} {5}) from (\frac {5} {2}): (\frac {5} {2}  \frac {4} {5})

Find a common denominator, which is 10. Rewrite (\frac {5} {2}) as (\frac {25} {10}) and (\frac {4} {5}) as (\frac {8} {10}).

Subtract the numerators: (\frac {25} {10}  \frac {8} {10} = \frac {25  8} {10} = \frac {17} {10})
Therefore, (2\frac {1} {2}  \frac {4} {5} = \frac {17} {10}).
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When evaluating a onesided 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.
When evaluating a onesided 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.
When evaluating a onesided 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.
When evaluating a onesided 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.
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