GCF
True or False- GCF is a list of numbers factors can multiply into.
What is False?
This is what fractions must have in order to add or subtract them.
What is a common denominator?
This is the first step to simplifying a fraction.
What is find the GCF of the numerator and denominator?
3/24
1/8
What is the GCF?
84/21
21
The GCF of 4 and 8 is this.
What is 4?
The best common denominator for 4/8 and 3/16 would be this.
What is 16?
This is the second step to simplifying a fraction.
What is divide by the GCF?
16/48
1/3
Simplify.
84/21
4/1
The GCF of 8 and 12 is 2.
What is false?
The best common denominator for 9/12 and 2/15 would be this.
What is 60?
Simplify 8/24.
What is 1/3?
57/9
19/3
What is the GCF?
77/21
7
The Greatest Common Factor of 20 and 30 is what?
What is 10?
In order to be able to add, rename these fractions:
9/15+5/6
What is 18/30 + 25/30?
Simplify 15/36.
What is 5/12?
93/18
31/6
Simplify.
77/21
11/3
The Greatest Common Factor of 7 and 6 is this.
What is 1?
In order to be able to subtract, rename these fractions:
5/8 - 2/24
What is 15/24 - 2/24?
Simplify 17/21.
What is 17/21?
120/18
20/3
What is the GCF?
51/34
Then, simplify.
17 is the GCF.
3/2