Adding And Subtracting Fractions With Common Denominators Worksheet

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ADDING and SUBTRACTING FRACTIONS
ANSWERS
WITH COMMON DENOMINATORS
1
2
3
7
4
3
-
+
=
=
A.
B.
5
5
5
10
10
10
ADD THE NUMERATORS (TOP NUMBERS).
DO THE SAME THING FOR SUBTRACTION.
THE DENOMINATORS ARE THE SAME SO
SUBTRACT THE NUMERATORS (TOP NUMBERS),
DO NOT CHANGE THEM.
BUT KEEP THE DENOMINATOR THE SAME.
NOW YOUR TURN. ADD THE FRACTIONS BELOW.
2
3
1
1
6
3
3
4
+
+
+
+
1.
2.
3.
4.
7
7
5
5
11
11
15
15
5
2
9
7
7
5
11
15
1
2
4
7
5
2
11
13
+
+
+
+
5.
6.
7.
8.
8
8
13
13
10
10
25
25
3
11
7
24
8
13
10
25
SUBTRACT.
8
7
15
10
7
7
6
1
-
-
-
-
9.
10.
11.
12.
12
12
16
16
9
9
6
6
1
5
5
0
12
16
6
25
11
19
12
3
2
14
9
-
-
-
-
13.
14.
15.
16.
33
33
20
20
4
4
17
17
14
7
1
5
33
20
4
17
3
3
6
2 =
3
11
8
3
3 =
1
-
+
=
=
C.
D.
8
8
8
2 =
4
15
15
15
3 =
5
WHEN YOU SIMPLIFY YOU MUST DO THE SAME THING TO
AFTER YOU ADD OR SUBTRACT YOU
THE NUMERATOR AND DENOMINATOR, OR WHAT EVER
MIGHT NEED TO SIMPLIFY .
YOU DO TO THE TOP YOU MUST DO TO THE BOTTOM.
NOW YOUR TURN. ADD OR SUBTRACT THE FRACTIONS BELOW AND WRITE IN SIMPLEST FORM.
7
2
1
5
8
2
10
7
-
-
+
+
17.
18.
19.
20.
12
12
6
6
9
9
14
14
9
3
6
6
2
3
=
=
1
=
12
4
6
9
3
14
LEVEL 1

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