Finding the LCD
What is the LCD for
2/3 & 5/9
9
How would you estimate 3/8 + 9/10 using benchmark fractions?
1/2 + 1 = 1 1/2
11 7/5
12 2/5
How would you regroup 4 3/5 in order to subtract?
3 8/5
How is 4/5 written as a division expression?
4 divided by 5
What is the LCD for
1/8 & 1/9
72
How would you estimate 5/6 - 1/4 using benchmark fractions?
1 - 0 = 1
3 6/4
4 2/4
How would you regroup 10 1/8 in order to subtract?
9 9/8
How is 18 divided by 4 written as a mixed number?
4 2/4 or 4 1/2
What is the LCD for
4/4 & 1/6
12
How would you estimate 7 2/5 - 3 4/10 using benchmark fractions?
7 1/2 - 3 1/2 = 4
13/8
1 5/8
How would you regroup 2 6/8 in order to subtract?
3 14/8
How is 25 divided by 5 written as a fraction in simplest form?
5/1 or 5
What is the LCD for
1/5, 2/9, & 4/10
90
How would you estimate 10 1/7 + 8/9 using benchmark fractions?
10 + 1 = 11
4 6/3
6
How would you regroup 1 7/9 in order to subtract?
16/9
If 42 apples are split by 8 people, what mixed number represents how many apples each person will recieve?
5 2/8 or 5 1/4
What is the LCD for
1/6, 2/8, & 3/4
24
How would you estimate 7/9 - 2/3 using benchmark fractions?
1 - 1 = 0
21/7
3
How would you regroup 15 in order to subtract 3/4?
14 4/4
If 10 feet of string is being shared by 12 people, how many feet will each person recieve?
10/12 or 5/6 ft.