Subtracting Fractions Worksheet - With Answers
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1ANSWERS
SUBTRACTING FRACTIONS WITH UNLIKE DENOMINATORS
FIND THE LEAST COMMON MULTIPLE
NOW WE CAN SUBTRACT
5
2
10
x
=
1 X 4 = 4
5
3
6
2
12
10
9
1
x
1 X 6 = 6
2 X 4 = 8
-
-
=
2 X 6 = 12 **
3 X 4 = 12 **
3 X 6 = 18
4 X 4 = 16
6
4
3
3
9
12
12
12
x
4 X 6 = 24
5 X 4 = 20
=
4
3
12
6 X 4 = 24
x
SEE THE COMMON
DENOMINATOR?
** THEY HAVE 12 IN COMMON **
CHANGE THE DENOMINATORS
(BOTTOM NUMBERS) TO 12 , BUT
REMEMBER, WHAT EVER YOU
DO TO THE BOTTOM YOU NEED
TO DO TO THE TOP!
SUBTRACT.
1
3
1
4
1
1
5
2
13
1
1
1
-
-
-
-
=
=
=
=
1.
2.
3.
4.
2
7
14
9
3
9
6
5
30
2
4
4
2
6
4
4
1
5
3
3
3
4
3
37
-
=
-
=
-
=
-
=
5.
6.
7.
8.
3
11
33
9
6
18
4
8
8
5
13
65
9
3
5
2
9
5
9
1
8
7
3
-
-
-
-
=
0
=
=
=
9.
10.
11.
12.
110
12
4
8
5
40
7
14
14
11
10
5
4
17
11
1
5
7
1
13
7
7
7
-
-
-
-
=
=
=
=
13.
14.
15.
16.
6
15
30
18
3
18
16
6
48
8
10
40
8
3
13
4
4
8
3
5
1
11
1
15
-
-
-
-
=
=
=
=
17.
18.
19.
20.
9
5
45
5
7
35
8
16
16
14
4
28
7
1
9
5
4
31
11
4
29
2
2
4
-
-
-
-
=
=
=
=
21.
22.
23.
24.
10
4
20
6
11
66
12
7
84
3
5
15
LEVEL 1
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