Dividing Fractions | MathHelp.com - By MathHelp.com
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| 00:0-1 | When dividing fractions , such as one half divided by | |
| 00:03 | 5/9 it's important to understand the following rule , dividing | |
| 00:08 | by a fraction is the same thing as multiplying by | |
| 00:12 | the reciprocal of the fraction . In other words , | |
| 00:15 | we can change the division sign to multiplication and flip | |
| 00:20 | the second fraction so we can rewrite one half divided | |
| 00:24 | by 5/9 as one half times 9/5 . Now we're | |
| 00:33 | simply multiplying fractions , so we multiply across the numerator | |
| 00:37 | and across the denominators one times nine is 9 and | |
| 00:42 | two times 5 is 10 , So one half divided | |
| 00:46 | by five nights is 9/10 . |
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