Adding And Subtracting Fractions Worksheet
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1
2Adding and Subtracting Fractions
When adding and subtracting fractions, we only add the numerators together - not
the denominators:
1
2
4
7
eg.
/
+
/
+
/
=
/
5
5
5
5
Complete the following sums:
1
2
3
2
1)
/
+
/
=
5)
/
-
/
=
3
3
3
3
1
3
6
3
2)
/
+
/
=
6)
/
-
/
=
4
4
7
7
2
4
5
3
3)
/
+
/
=
7)
/
-
/
=
5
5
10
10
3
8
12
7
4)
/
+
/
=
8)
/
-
/
=
10
10
15
15
Remember - if the denominator is not the same for all of the fractions, you must
first convert them all to a common denominator.
1
1
4
3
7
eg.
/
+
/
=
/
+
/
=
/
3
4
12
12
12
Complete the following sums:
3
2
3
5
9)
/
+
/
=
13)
/
-
/
=
6
4
5
10
3
6
5
2
10)
/
+
/
=
14)
/
-
/
=
5
10
7
3
3
2
4
1
11)
/
+
/
=
15)
/
-
/
=
4
3
5
2
2
5
3
2
12)
/
+
/
=
16)
/
-
/
=
3
6
4
3
ALSO, if you start with a mixed number, you must first convert them to improper
fractions before you can add or subtract them.
1
1
2
1
2
2
1
3
5
8
eg.
1
/
+ 2
/
= (
/
+
/
) + (
/
+
/
+
/
) =
/
+
/
=
/
2
2
2
2
2
2
2
2
2
2
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