Find the least common multiple of 2 and 12.(1 point)

Responses

12
12

36
36

24
24

2

20 inches

Start Fraction 3 over 4 End Fraction

24

Marc and Aki are building hot wheels tracks. Marc has 4-inch pieces to make his track, and Aki has 10-inch pieces to make his track. How long will their tracks be when they are first the same length?(1 point)

Responses

30 inches
30 inches

50 inches
50 inches

40 inches
40 inches

20 inches
20 inches

Simplify 18/24 using the GCF.(1 point)

Responses

34
Start Fraction 3 over 4 End Fraction

324
Start Fraction 3 over 24 End Fraction

912
Start Fraction 9 over 12 End Fraction

68

Which of the following numbers should replace the missing denominator in order to add the fractions? 2582 + 13? (1 point)

Responses

28
28

25
25

13
13

82

82

Add the following fractions: 215 + 13

The sum of 215 and 13 is 228.