LCM
What is the LCM of 7 and 21?
21
What do fractions have to have in common to add them?
common denominators
How would you regroup the number 13 to subtract it by 5 2/7?
12 7/7
4 x 5/8
must answer in simplest form
5/2
Which fraction do you flip when dividing fractions?
the 2nd one!
What is the LCM of 4 and 9
36
4/9 + 7/18
answer must be in simplest form
5/6
10/11 - 1/2
answer in simplest form
9/22
7/10 x 15/16
must answer in simplest form
21/32
15/16 ÷ 5
answer in simplest form
3/16
What is the LCM of 15 and 21?
105
3/4 + 7/18
must answer in simplest form
41/36 or 1 5/36
7 2/3 - 5 2/5
must answer in simplest form
2 4/15
2 1/3 x 1 2/5
answer in simplest form
49/15
8/35 ÷ 32/45
answer in simplest form
9/28
What is the LCM of 3, 6, and 8?
24
3 5/6 + 2 7/9
answer must be in simplified form
6 11/18
6 2/9 - 3 7/9
must answer in simplest form
2 4/9
9 1/3 x 2 1/7
answer in simplest form
20
4 2/7 ÷ 2 1/2
answer in simplest form
12/7
What is the LCM of 8, 10, and 15?
120
7 5/6 mini pizzas
Bob has 10 5/8 cups of chocolate chips. He uses 2 1/6 cups of chocolate chips to make cookies. How many chocolate chips does he have left?
8 11/24 cups
Bob ran 2 2/3 miles on Monday, Wednesday, and Friday. How many miles did he run in total?
8 miles
Bob has 4 2/3 pizzas leftover from a party. If he and 6 friends share the remaining pizza, how much will each person get?