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Let’s check out your problem:
Subtract.
\newline
5
y
3
6
c
2
k
3
−
3
c
3
u
3
8
d
3
k
2
\frac{5 y^{3}}{6 c^{2} k^{3}}-\frac{3 c^{3} u^{3}}{8 d^{3} k^{2}}
6
c
2
k
3
5
y
3
−
8
d
3
k
2
3
c
3
u
3
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Home
Math Problems
Algebra 2
Divide polynomials using long division
Full solution
Q.
Subtract.
\newline
5
y
3
6
c
2
k
3
−
3
c
3
u
3
8
d
3
k
2
\frac{5 y^{3}}{6 c^{2} k^{3}}-\frac{3 c^{3} u^{3}}{8 d^{3} k^{2}}
6
c
2
k
3
5
y
3
−
8
d
3
k
2
3
c
3
u
3
Identify Terms:
Identify the terms to subtract.
Write Down:
Write down the terms.
\newline
5
y
3
6
c
2
k
3
−
3
c
3
u
3
8
d
3
k
2
\frac{5y^{3}}{6c^{2}k^{3}} - \frac{3c^{3}u^{3}}{8d^{3}k^{2}}
6
c
2
k
3
5
y
3
−
8
d
3
k
2
3
c
3
u
3
Find Common Denominator:
Find a common denominator.
\newline
The least common multiple (LCM) of
6
c
2
k
3
6c^{2}k^{3}
6
c
2
k
3
and
8
d
3
k
2
8d^{3}k^{2}
8
d
3
k
2
is
24
c
3
d
3
k
3
24c^{3}d^{3}k^{3}
24
c
3
d
3
k
3
.
Rewrite Fractions:
Rewrite each fraction with the common denominator.
5
y
3
6
c
2
k
3
×
4
d
3
4
d
3
−
3
c
3
u
3
8
d
3
k
2
×
3
c
3
c
×
k
k
\frac{5y^{3}}{6c^{2}k^{3}} \times \frac{4d^{3}}{4d^{3}} - \frac{3c^{3}u^{3}}{8d^{3}k^{2}} \times \frac{3c}{3c} \times \frac{k}{k}
6
c
2
k
3
5
y
3
×
4
d
3
4
d
3
−
8
d
3
k
2
3
c
3
u
3
×
3
c
3
c
×
k
k
Perform Multiplication:
Perform the multiplication.
\newline
20
d
3
y
3
24
c
2
d
3
k
3
−
9
c
4
u
3
k
24
d
3
k
3
\frac{20d^{3}y^{3}}{24c^{2}d^{3}k^{3}} - \frac{9c^{4}u^{3}k}{24d^{3}k^{3}}
24
c
2
d
3
k
3
20
d
3
y
3
−
24
d
3
k
3
9
c
4
u
3
k
Combine Terms:
Combine the terms over the common denominator.
\newline
(
20
d
3
y
3
−
9
c
4
u
3
k
)
/
(
24
c
3
d
3
k
3
)
(20d^{3}y^{3} - 9c^{4}u^{3}k)/(24c^{3}d^{3}k^{3})
(
20
d
3
y
3
−
9
c
4
u
3
k
)
/
(
24
c
3
d
3
k
3
)
Simplify Expression:
Simplify the expression.
\newline
Oops, made a mistake in the previous step, should have multiplied
3
c
3c
3
c
by
k
3
k^{3}
k
3
not just
k
k
k
.
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\newline
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\text{[[even][odd][neither]]}
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\newline
(
x
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(
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\newline
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\newline
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