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Computation
Fractions
Lowest Common Denominator (LCD)
Math Vocabulary
100
Add carefully! 385 + 637 = ?
1,022
100
Give an equivalent fraction for 3/4.
Possible answers (there could be others) 6/8; 9/12; 12/15; 15/18; etc.
100
What is the Least Common Multiple of 6 and 10?
60
100
What vocabulary word means the answer to an addition problem?
sum
200
Subtract carefully! 8,014 - 3,916 = ?
4,098
200

What is the answer to the problem below.

8/16 + 5/16 = 

13/16

200
What is the Least Common Multiple of 20 and 4?
20
200
What vocabulary word means the answer to a multiplication problem?
product
300
Multiply carefully! 27 x 8 = ?
216
300

What is the answer when you multiple the numerator and denominator by 5 to get an equivalent fraction? 

3/6

15/30

300
What is the Least Common Multiple of 6 and 8?
24
300
What vocabulary word means the top part of a fraction?
numerator
400
Multiply carefully! 52 x 39 = ?
2,028
400
Give an equivalent fraction for 2/5.
Possible answers (there could be others) 4/10; 6/15; 8/20; 10/25; 12/30; etc.
400

What is the Least Common Multiple of 3 and 12?

12

400
What vocabulary word means the answer to a division problem?
quotient
500
Divide carefully! 168 รท 12 = ?
14
500

When adding these fractions, what is the lowest common denominator? 

3/10 + 2/5

a. 3    b. 5    c. 10   d. 50

c. 10

500

What is the Least Common Multiple of 5 and 7?

35

500

What is the bottom number in a fraction called?

Denominator