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Activities 4

4.1)

Simplify the fractions if possible:

a)
x x
b)
x2 x
c)
3y ⋅ x xy
d)
x3 ⋅ 1 x3
e)
15b 5a
f)
3d ⋅ 6a 9d
g)
100bg ⋅ 2g 40gb2
h)
f3 4f2
i)
9 ⋅ 8k 3 ⋅ 5 ⋅ 2k
j)
2y ⋅ 18y 3y2 ⋅ 5

a)
x x
b)
x2 x
c)
3y ⋅ x xy
d)
x3 ⋅ 1 x3
e)
15b 5a
f)
3d ⋅ 6a 9d
g)
100bg ⋅ 2g 40gb2
h)
f3 4f2
i)
9 ⋅ 8k 3 ⋅ 5 ⋅ 2k
j)
2y ⋅ 18y 3y2 ⋅ 5

4.2)

Simplify the fractions if possible:

a)
2x2y x
b)
3xy2 xy
c)
6x3y 2x
d)
4ab3 2ac
e)
21x4y3z2 7x5y4z3
f)
x2y2 10x3y4

a)
2x2y x
b)
3xy2 xy
c)
6x3y 2x
d)
4ab3 2ac
e)
21x4y3z2 7x5y4z3
f)
x2y2 10x3y4

4.3)

Simplify the fractions if possible:

a)
12a 5a
b)
a2bc 4a
c)
a2bc bc
d)
x5 x2
e)
x2 x5
f)
9a9 3a3
g)
a5b4c3 a3b4c5
h)
20a4 4a ⋅ 2a
i)
7k ⋅ 5k 8f ⋅ 4b2
j)
abcdef hgdcba

a)
12a 5a
b)
a2bc 4a
c)
a2bc bc
d)
x5 x2
e)
x2 x5
f)
9a9 3a3
g)
a5b4c3 a3b4c5
h)
20a4 4a ⋅ 2a
i)
7k ⋅ 5k 8f ⋅ 4b2
j)
abcdef hgdcba

4.4)

Simplify the fractions as much as possible:

a)
a b a b
b)
a b b a
c)
2a b b 2a
d)
3x y 4y x
e)
xy y 4y x
f)
a a b
g)
2b 5a b
h)
3x y y
i)
4y 3x y

You can find the solutions here.