Show:
Equivalent Fractions
Adding Fractions
Subtracting Fractions
Greatest Common Factor
Simplifying Fractions
100
What does equivalent fractions mean?
Equal fractions
100
What is 8/12 + 3/12?
11/12
100
What is 7/8 - 4/8?
3/8
100
What are the factors of 8?
1 x 8, 2 x 4 1, 2, 4, 8
100
Simplify 3/12.
GCF of 3 and 12 is 3 so I divide the top and bottom numbers by 3 so... 1/4
200
Are 1/2 and 3/6 equivalent fractions?
YES! 1/2 = 3/6 or No.
200
What is 5/8 + 2/8?
7/8
200
What is 13/15 - 8/15?
5/15
200
Is 13 a prime or composite number?
13 is a prime number. It only has 1 and 13 as factors.
200
Simplify 5/15.
GCF of 5 and 15 is 5 so... Divide top and bottom by 5. 1/3
300
Fill in the blank. ?/10 = 2/5
? = 4
300
What is 3/12 + 1/4?
1/4 = 3/12 so... 3/12 + 3/12 = 6/12
300
What is 3/4 - 1/8?
3/4 = 6/8 so... 6/8 - 1/8 = 5/8
300
Is 25 a prime or composite number?
25 is a composite number. The factors are 1, 5, and 25.
300
Simplify 9/30.
GCF of 9 and 30 is 3 so... Divide top and bottom by 3. 3/10
400
Write these fractions from LEAST to GREATEST. 1/6, 1/2, and 2/6
1/2 = 3/6 so... 1/6, 2/6, and 1/2
400
What is 2/8 + 5/24?
2/8 = 6/24 so... 6/24 + 5/24 = 11/24
400
What is 3/5 - 4/15?
3/5 = 6/15 so... 6/15 - 4/15 = 2/15
400
What is the GCF of 9 and 18?
9 (1 x 9,) 27 (1 x 27), (3 x 9) GCF - 9
400
Add and simplify the answer. 4/8 + 1/4 =
1/4 = 2/8 so... 4/8 + 2/8 = 6/8 ... NOT DONE... GCF of 6 and 8 is 2 so I divide top and bottom by 2. 3/4
500
Write these fractions from GREATEST to LEAST. 3/10, 3/5, and 1/2
3/5 = 6/10 1/2 = 5/10 so... 3/5, 1/2, and 3/10
500
What is 5/56 + 3/7?
3/7 = 24/56 so... 5/56 + 24/56 = 29/56
500
What is 5/10 - 3/30?
5/10 = 15/30 so... 15/30 - 3/30 = 12/30
500
What is the GCF of 49 and 35?
49 (1 x 49) (7 x 7) 35 (1 x 35) (5 x 7) GCF - 7
500
Simplify. 9/40
9/40 cannot by simplified. 9 (1 x 9) (3 x 3) 40 (1 x 40, 2 x 20) (4 x 10) (8 x 5) No common factors!