Adding/ Subtracting Fractions
3/5 - 1/5
2/5
4/8
1/2
6/1 = 12/?
6/1 = 12/2
25.9-13.4
12.5
A pattern has 4 blue triangles to every 12 yellow triangles. What is the ratio of blue triangles to yellow triangles?
4:12
4 x (5+3)
32
13/15 -8/15
5/15
10/25
2/5
5/2 = ?/8
20/8
31.3 + 16.4=
47.7
A gardening club has 21 members, of which 13 are males and the rest are females. What is the ratio of females to all club members.
8:21
4-2 + 5 x 3
17
11/20 - 3/8
7/40
48/72
2/3
?/1 = 30/3
10/1 = 30/3
23.09+ 13.79=
36.88
Which ratios are equivalent to 4:3? Choose all that apply.
1. 7:6
2. 6:8
3. 12:9
4. 20:15
5. 30:40
3 & 4
8+8 / 4 x2 + 7
15
3/5 + 3/15
12/15 or 4/5
18/54
1/3
55/60 = ?/12
55/60 = 11/12
10.56-9.605
.955
A set of 5 concert tickets cost $240. What is the unit price per ticket?
$48
(20 / 4) + 3 x 2 - (3+2)
6
Solve the following subtraction problem. Make sure you simplify the answer.
9/10 - 11/18
13/45
64/72
8/9
?/5 = 72/30
12/5 = 72/30
.365-.2814
.0836
A bluebird traveled 25 meters in 2 seconds. A cardinal traveled 55 meters in 5 seconds. If both were traveling at a constant speed, how does the speed of two birds compare to each other?
a. The cardinal is traveling faster at a rate of 11 meters second.
b. The bluebird is traveling faster at a rate of 12.5 per second.
c. The cardinal is traveling faster because 55 meters is farther than 25 meters.
d. The bluebird is traveling faster because 5 seconds is more than 2 seconds.
7 X 1 X (8 X 6) + 14 X 8
448