How do you simplify $\frac { 7a } { 7a ^ { 4} }$ ?

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Answer 1 · 2017-01-03T02:25:15

$1/a ^ { 3}$

Okay so $\frac { 7a } { 7a ^ { 4} }$ means

$(7 * a)/(7 * a * a * a * a)$

When you're in doubt always expand!

When expanding you see the bigger picture, now remember after this we cancel stuff out to make it easier to understand

For example take $\frac { 24 } { 4 }$ . On a test would you multiply $\frac { 24 } { 4 }$ or $6$ . Which one is easier? Same goes with this!

Cancel the redundant letters and numbers in this case the number $7$ and an $a$ .

Now the top part is gone and there is $a ^ { 3}$ left. Which is on the bottom but since the top part make sure to put 1 at the top!

How do you simplify \frac { 7a } { 7a ^ { 4} }\frac { 7a } { 7a ^ { 4} }?