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Mathematics 9 Online
OpenStudy (anonymous):

Help!

OpenStudy (anonymous):

|dw:1384717836979:dw|

OpenStudy (solomonzelman):

THIS? \[\huge {\color{blue} {\frac{4w}{3} + (-\frac{2w}{11})} }\]

OpenStudy (anonymous):

OpenStudy (solomonzelman):

OK, find the least common denominator.

OpenStudy (anonymous):

LCD: 33

OpenStudy (solomonzelman):

Yep. Multiply top and bottom of 1st fraction by 11 Multiply top and bottom of 2nd fraction by 3

OpenStudy (anonymous):

|dw:1384718208259:dw|

OpenStudy (solomonzelman):

YEP! \[\huge {\color{blue} {\frac{44w}{33}+(-\frac{6w}{33})} },--->\huge {\color{blue} {\frac{44w-6w}{33}} }\]

OpenStudy (anonymous):

\[\frac{ 38w }{ 33 }\]

OpenStudy (solomonzelman):

Yes!

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