GCF/LCM
The LCM of 6 and 8
24
2/3 + 1/4
11/12
3 * 1/2
1 1/2
1/4
divided by 5
1/20
"simplify" 12/20
3/4
John has 1/2 inch of string. He buys another 1/3 of an inch of string. How much string does he have now?
5/6 of an inch
The GCF of 12 and 18.
6
4/5 + 3/9
1 2/15
4 * 3/9
1 1/3
6 divided by
1/7
42
3 5/6 "as an improper fraction"
23/6
Bob had 3/4 of a container of milk left in the fridge. He drank 1/2 of the milk. How much milk is left?
3/8 of a container
The LCM of 10 and 12.
60
5 18/20 - 3 4/5
2 1/10
4/5 * 7/12
7/15
1/3 divide 4/5
.
5/12
27/12 "as a mixed number"
2 1/4
Mark has 24 sandwiches. He wants to cut them into 1/3 pieces. How many 1/3 pieces will he have?
72 pieces
The GCF of 36 and 48.
12
9 1/2 - 5 3/4
3 3/4
2 3/4 * 2 1/3
6 5/12
7/8 divide 9/10
.
35/36
"simplify" 9/36
1/4
Robert has 2 1/2 containers of strawberries.He gives away 1 3/4 containers of strawberries. How many containers does he have left?
3/4 containers
Every 8th person to go to the movies gets a free popcorn, every 10th person gets a free beverage, and every 20th person gets a free admission. Who will be the first person to get all three?
The 40th person
3 1/3 - 2 1/2
5/6
3 * 4 1/3
13
2 3/4 divide 4/5
3 7/16
Convert 3/5 and 7/8 to have common denominators.
24/40 and 35/40
DeMaggio wants to eat this delicious casserole. When he gets it, there is only 5/6 of the casserole left. He eats 1/2 of the remaining casserole in the afternoon. How much casserole is left now?
5/12