Subtracting Fractions Worksheet (Unlike Denominators)

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Subtracting Fraction with Unlike Denominator, Requires Simplifying

2 3 1 -6

2 3 1 -6

4 6 = 1 6 =

2 3 1 6

4 6 = 1 6 =

same

2 3 1 -6

6

4 2 3 6 1 = 1 -6 6 3 3=1 6 2 6 =

Subtract the fractions and simplify the answers.

a.

4 6 2 - 12

b.

4 8 1 -4

c.

3 5 2 - 10

d.

3 7 2 - 14

e.

2 5 2 - 10

f.

3 6 2 - 12

g.

4 5 2 - 10

h.

5 6 1 -3

i.

4 12 1 -6

j.

3 4 2 -8

k.

10 14 2 -7

l.

5 6 2 - 12

m.

11 12 1 -6

n.

9 10 2 -5

o.

2 3 3 -9

p.

5 6 1 -2

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ANSWER KEY

Subtracting Fraction with Unlike Denominator, Requires Simplifying

2 3 1 -6

2 3 1 -6

4 6 = 1 6 =

2 3 1 6

4 6 = 1 6 =

same

6

2 3 1 -6

4 2 3 6 1 = 1 -6 6 3 3=1 6 2 6 =

Subtract the fractions and simplify the answers.

a.

4=8 6 12 2=2 - 12 12 6 =1 12 2

b.

4= 8 1= -4

4 8 2 8 2 =1 8 4

c.

3=6 5 10 2=2 - 10 10 4 =2 10 5

d.

3=6 7 14 2=2 - 14 14 4 =2 14 7

e.

2=4 5 10 2 2 - 10 = 10 2 =1 10 5

f.

3=6 6 12 2 2 - 12= 12 4 =1 12 3

g.

4=8 5 10 2 2 - 10 = 10 6 =3 10 5

h.

5= 6 1 - 3=

i.

4=4 12 12 1=2 - 6 12 2 =1 12 6

j.

3= 4 2= -8

6 8 2 8 4 =1 8 2

k.

10 = 10 14 14 2=4 - 7 14 6 =3 14 7

l.

5 = 10 6 12 2= 2 - 12 12 8 =2 12 3

m.

11 = 11 12 12 1 2 - 6 = 12 9 =3 12 4

n.

9 9 10 = 10 2 4 - 5 = 10 5 =1 10 2

o.

2 =6 3 9 3 3 -9 =9 3 =1 9 3

p.

5=5 6 6 1 3 -2=6 2 =1 6 3

Super Teacher Worksheets - www.superteacherworksheets.com

5 6 2 6 3 =1 6 2