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Mathematics 7 Online
OpenStudy (annie12m):

Can someone help me with this problem? I don't get it. (In attachment below)

OpenStudy (annie12m):

OpenStudy (jdoe0001):

specific postings helps

OpenStudy (annie12m):

It's in the attachment

OpenStudy (annie12m):

@Directrix @jabez177 @jdoe0001 @Luigi0210 @Mehek14 @silveralchemist09

OpenStudy (annie12m):

@welshfella

OpenStudy (jdoe0001):

hold the mayo

OpenStudy (annie12m):

?

OpenStudy (jdoe0001):

one sec

OpenStudy (annie12m):

ok

OpenStudy (jdoe0001):

you know how to convert a mixed fraction to "improper" one right?

OpenStudy (annie12m):

Yeah

OpenStudy (jdoe0001):

k

OpenStudy (jdoe0001):

\(\bf \left( 6\frac{4}{5}x-5\frac{3}{4} \right)\ - \ \left( 1\frac{1}{3}x-2.5 \right) \\ \quad \\ \left( {\color{brown}{ \cfrac{34}{5} }}x-{\color{brown}{ \cfrac{23}{4}}} \right)\ - \ \left( {\color{brown}{ \cfrac{4}{3}}}x-\cfrac{\cancel{25}}{\cancel{10}} \right)\implies \left( {\color{brown}{ \cfrac{34}{5} }}x-{\color{brown}{ \cfrac{23}{4}}} \right)\ - \ \left( {\color{brown}{ \cfrac{4}{3}}}x-\cfrac{5}{2} \right) \\ \quad \\ \cfrac{34}{5}x-\cfrac{23}{4}-\cfrac{4}{3}x+\cfrac{5}{2}\implies \cfrac{34}{5}x-\cfrac{4}{3}x-\cfrac{23}{4}+\cfrac{5}{2}\) there, just get the LCd and add them up

OpenStudy (jdoe0001):

5, 3, 4, 2 the LCD is most likely 5*3*4, since that contains 2 as well

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