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Mathematics 8 Online
OpenStudy (anonymous):

Reduce the fraction

OpenStudy (anonymous):

\[27x^{4}y^{5}c/18x ^{3}y ^{5}c ^{3}\]

OpenStudy (zzr0ck3r):

(3/2)xc^(-2)

OpenStudy (lgbasallote):

\[\Large \frac{27x^4 y^5 c}{18x^3 y^5 c^3} \implies \frac{27}{18} \times \frac{x^4}{x^3} \times \frac{y^5}{y^5} \times \frac{c}{c^3}\] dies that help?

OpenStudy (zzr0ck3r):

so write them like (27/18)(x^4/x^3)(y^5/y^5)(c/c^-3)

OpenStudy (lgbasallote):

does*

OpenStudy (anonymous):

How does that simplify it?

OpenStudy (lgbasallote):

\[\frac{27}{18} \implies \frac{27 \div 9}{18 \div 9}\] that's how to simplify 27/18

OpenStudy (lgbasallote):

\[\frac{x^4}{x^3} \implies x^{4-3}\] this is rules of exponent

OpenStudy (anonymous):

3x/c^2?

OpenStudy (lgbasallote):

you're missing a 2 somewhere

OpenStudy (lgbasallote):

should be \[\frac{3x}{2c^2}\]

OpenStudy (lgbasallote):

\[\frac{27}{18} \implies \frac{27 \div 9}{18 \div 9} \implies \frac 32\]

OpenStudy (lgbasallote):

got it?

OpenStudy (anonymous):

Where does the 2 come from?

OpenStudy (lgbasallote):

18 divided by 9 is 2

OpenStudy (lgbasallote):

have you forgotten how to simplify numerical fractions?

OpenStudy (anonymous):

No, just a careless mistake.

OpenStudy (lgbasallote):

i see. we all have that moment :)

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