Two pieces of planks are glued together. The first piece is 43/4 cm thick and the second piece is 2 1/5 cm thick. Find the thickness of the wood if the joining glue is 3/10 cm thick?
7 1/10 cm
7 5/12 cm
7 1/4 cm
8 1/4 cm
The property used in 2/3 + (4/9 + 3/5) = ( 2/3 + 4/9) + 3/5 is
Associative
Commutative
Distributive
Closure
3/8 + 2/8 =__________
1/2
5/8
6/8
1/8
2/7
3/8
4/7
What is 2 1/12 of 3 1/5
10
12
8
14
3/12 ×18 =
5/6
9/2
7/2
7/3
What do we call 1/24 of a day?
Minute
Hour
Second
None of these
4/5 ÷ 5/7 =
20/35
1 3/25
2 3/25
1/8 × 7/12 =
14/6
21/3
1/96
7/96
The reciprocal of 2/3 is
3
1/3
1
3/2
