Adding Fractions
To add fractions they must have the same ______.
What is denominator?
When subtracting fractions with unlike denominators you must first find the..?
Find the LCD/LCM
the top digit in a fraction is called the ____.
Numerator
What are like fractions?
Fractions that have a common denominator.
1/2 + 5/2
6/2 or 3
4/5 -3/5
1/5
The bottom digit of a fraction is called a _____.
denominator
What are equivalent fractions?
Fractions that look differently but have the same value.
When adding fractions with a common denominator, what do you do with the numerators?
Add them together and keep the denominator the same.
When subtracting fractions with a common denominator, what do you do with the numerators?
A fraction with the numerator greater than the denominator is called an_____.
improper fraction, fraction greater than 1
The top part of a fraction that tells how many pieces you are talking about is called a_______.
Numerator
What are some other words for addition? Give 3.
Altogether, in all, total, increase, combine, add...
3/4 - 2/8
4/8 or 1/2
A whole number with a fraction is called______.
Mixed number
The bottom portion of the fraction that tells how many equal pieces there are total is called the __________.
denominator
When adding fractions with unlike denominators you need to find the ___________?
Least Common Denominator
Fractions can be simplified if the numerator and denominator has the same common ___________?
Factors
A fraction with the same numerator and denominator is a ______.
(EXAMPLE: 4/4)
1 Whole
or
A Whole Number
Before we can add or subtract fractions, we must have a common....
denominator
4/8 + 2/8
6/8 = 3/4
9/12-2/12
7/12
What operation does a fraction represent?
What is division?
Think of the term multiples.
List the first six multiples for 4
4, 8, 12, 16, 20, 24
2/10 + 3/10
What is 5/10=1/2
6/12 - 1/4
1/4
What is the 5 in 5 and 1/4 called?
What is a whole number?
What is a mixed number?
A whole number and a fraction.