Adding Fractions | MathHelp.com - By MathHelp.com
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| 00:0-1 | to add unlike fractions such as one half plus 3/8 | |
| 00:04 | . 1st find a common denominator . The common denominator | |
| 00:08 | of two and eight is the least common multiple of | |
| 00:11 | two and eight , which is eight To get eight | |
| 00:15 | in the denominator of one half . We multiply the | |
| 00:18 | numerator and denominator by four To get 4/8 . Notice | |
| 00:25 | that our second fraction already has eight in the denominator | |
| 00:28 | , so we have 4/8 plus 3/8 . Now we're | |
| 00:33 | adding like fractions , so we simply add the numerator | |
| 00:36 | is and keep the denominator the same , 4-plus 3 | |
| 00:40 | is seven And we have 7/8 , So one half | |
| 00:45 | plus 3/8 is 7/8 , which is in lowest terms | |
| 00:0-1 | . |
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