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1st class
4th class
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Fourth class
Fractions
Simple fractions
Adding and subtracting
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1
Give the result of addition
2
5
+
4
5
7
5
1
2
5
4
5
2
5
1
1
5
2
Give the result of subtraction
1
3
4
-
1
1
4
4
2
1
4
1
2
4
2
4
3
4
1
1
4
3
Give the result of subtraction
1
2
5
-
3
5
3
5
1
1
5
1
4
5
6
5
4
5
4
Give the result of addition
1
1
2
+
1
2
1
1
2
2
3
2
2
1
2
1
2
5
Give the result of subtraction
2
2
3
-
1
1
3
1
2
3
1
1
3
2
2
3
1
6
Give the result of addition
1
5
+
1
5
1
5
3
5
4
5
5
2
2
5
7
Give the result of subtraction
2
1
5
-
1
4
5
1
1
5
1
5
3
5
4
5
1
2
5
8
Give the result of addition
1
2
+
1
2
1
2
1
2
4
1
4
9
Give the result of addition
1
1
4
+
2
4
1
1
2
4
3
1
3
4
3
4
1
4
3
10
Give the result of subtraction
2
1
4
-
1
3
4
1
2
1
4
3
4
4
3
1
2
4
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