Compare Fractions/LCD
1 1
_ __ _
6 3
1 1
_ < _
6 3
4, 10, 14
2
4: 1,(2),4
10: 1,(2),5,10
14: 1,(2),7,14
2
_
5
Simplified
Ruben sees 14 wheels on a total of 6 bicycles and tricycles. How many bicycles and tricycles are there?
4 Bicycles, 2 Tricycles
Bicycles: 2 x 4=8
Tricycles: 3 x 2=6
8+6=14
5, 9, 15
45
4 4
_ ___ _
9 5
4 4
_ < _
9 5
9, 18, 42
3
9: 1,(3),9
18: 1,2,(3),6,9,18
42:1,2,(3),6,7,14,21,42
8
__
28
2
__
7
8÷4=2
28÷4=7
The concession stand at the school play sold lemonade for $0.50 and cookies for $0.25. They sold 7 more lemonades than cookies and they made a total of $39.50. How many lemonades and cookies were sold?
48 Cookies, 55 Lemonades
Cookies: $0.25 x 48 = $12
Lemonade: $0.50 x 55 = $27.50
$27.50 + $12.00 = $39.50
4, 8, 10
40
2 10
_ ____ __
7 11
2 10
_ < __
7 11
24, 60
12
24: 1,2,3,4,6,8,(12),24
60: 1,2,3,4,5,6,10,(12),15,20,30,60
12
__
40
3
__
10
12÷4=3
40÷4=10
A tour collected $258 for 13 tour packages. Tour package A costs $18 and tour package B costs $22. How many of each tour package were sold?
Package A: 7, Package B: 6
A: $18 x 7 = $126
B: $22 x 6 = $132
$132 + $126 = $258
7+6=13
15, 25, 75
75
6 7
__ ___ __
12 14
6 7
__ = __
12 14
16, 52, 76
4
16: 1,2,(4),8,16
52: 1,2,(4),13,26,52
76: 1,2,(4),19,38,76
48
__
60
8
__
10
48÷6=8
60÷6=10
There are 15 dogs and birds in park. There are 50 legs altogether. How many dogs are there?
10 Dogs
Dogs: 4 legs x 10=40
Birds: 2 legs x 5=10
40 + 10 = 50 legs
10+5 = 15 dogs and birds
9, 12, 15
180
8 4
__ ___ __
14 15
8 4
__ > __
14 15
14, 35, 84
7
14: 1,2,(7),14
35: 1,5,(7),35
84: 1,2,3,4,6,(7),12,14,21,28,42,84
21
__
30
7
__
10
21÷3 = 7
30÷3 = 10
A total of 122 adults and children went to the zoo. There were more children than adults. Adult tickets cost $6.50 and children's tickets cost $3.75. If the total cost of tickets $597.75, how many adults and children went to the zoo?
51 Adults and 71 Children
Adults: $6.50 x 51 = $331.50
Children: $3.75 x 71 = $266.25
$331.50 + $266.25= $597.75
51+71 = 122
6, 7, 9
126