Adding Fractions
To add fractions they must have the same ______.
Same Sign OR Same Denominator
What should you do if you see a weird subtraction problem with negatives and numbers that are out of place?
What is Keep, Change, Flip
Fractions can be simplified by finding the ___________?
Greatest Common Factor (GCF)
A fraction with the numerator greater than the denominator is called an_____.
Improper fraction
If the fractions have the same sign, you will:
Add the numerators and keep the same sign in your answer
Does the following subtraction problem need Keep, Change, Flip:
7/8 - (-4/8) =
Yes. There is a negative in the subtraction problem.
List all of the factors of the number 18.
1x18, 2x9, 3x6
A fraction with the same numerator and denominator results in a ______.
(EXAMPLE: 4/4)
1 Whole or A Whole Number
If the fractions have different signs, you will:
Subtract the numerators and keep the sign of the bigger number or bigger absolute value
Solve. Simplify answer if needed!
-8/14 - 4/14 =
-6/7
List all of the factors of the number 50:
1x50, 2x25, 5x10
Improper fractions should simplify to a _____.
Mixed number
Solve. Simplify answer if needed!
-12/18 + -4/18 =
-8/9
Solve. Simplify answer if needed!
19/24 - (-3/24) =
11/12
What is the Greatest Common Factor (GCF) of 24/36?
12
What operation does a fraction represent?
Division
Solve. Simplify answer if needed!
9/20 + (-15/20) =
-3/10
Solve. Simplify answer if needed!
-20/24 - (-3/24) =
-17/24
What is the Greatest Common Factor (GCF) of 75/90?
15
What is the term for: the numbers you multiply together to get another number?