LCM and Adding and Subtracting
The least common multiple of 3, 5, and 10.
30
7 2/9 - 3 5/9
3 2/3
x - 12 3/4 = 17 2/5
30 3/20
4/7 divided by 3
4/21
From a pile of coins containing nickels (N), dimes (D), and quarters (Q), Tom picked 10 coins with a total value of $1.00. The 10 coins had a different number of each of the three types and at least 1 coin of each type. How many coins of each type did he pick?
3, 6, 1
1/15
11 6/7 - 4 13/14
6 13/14
3 2/3 = m - 1 3/4
5 5/12
5/6 x 2/5
1/3
There is an even number between 200 and 300 that is divisible by 5 and also by 9. What is that number?
270
Angela had 7/10 gallon of paint. She used 1/3 gallon for a project. How much paint did she have left?
11/30
Georgette needs 8 feet of ribbon to decorate gifts. She has 3 1/4 feet of ribbon. How many more feet of ribbon does Georgette need?
4 3/4 feet
6p = 2/3
p = 1/9
2/5 x 2 1/4
9/10
100 pounds of chocolate is packaged into boxes each containing 1 ¼ pounds of chocolate. Each box is then sold for $1.75. What is the total selling price for all of the boxes of chocolate?
$140
The least common multiple of 12, 22, and 30.
660
5 3/8 - 2 3/4
2 5/8
Marcus's dad is 52 3/5 inches tall. Marcus is 7/8 of his father's height. How tall is Marcus?
46 1/40 inches tall
8 times
A chime clock strikes 1 chime at one o’clock, 2 chimes at two o’clock, 3 chimes at three o’clock, and so forth. What is the total number of chimes the clock will strike in a twelve-hour period?
78
(4 5/9 - 1 1/2) + (1 3/10 + 3 2/5)
7 34/45
Mrs. Gardiner has a 15 2/7 foot plank. She cuts off 12 8/9 feet. How many feet are left?
2 25/63
s/8 = 6 1/4
s = 50
Andrew's hockey team won 4/5 of their games. Andrew scored in 2/3 of the games his team won. In what fraction of his team's games did Andrew score?
8/15
Betty wants to purchase a bicycle but is $23 short. Claire wants to purchase the same bicycle but is $25 short. If they combine their money, they will have just enough to buy the bicycle. What is the cost of the bicycle?
$48