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 answer to a multiplication problem is called a....
Product
the top digit in a fraction is called the ____>
Numerator
Convert this mixed number to and improper fraction:
3 and 3/4
15/4
What are like fractions?
Fractions that have a common denominator.
11/2 + 5/2
8
4/5 -3/5
1/5
8 x 2/3 =
16/3
OR
5 and 1/3
The bottom digit of a fraction is called a _____.
denominator
Convert this mixed number to and improper fraction:
2 and 1/5
11/5
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?
What is the opposite or the inverse operation of multiplication?
Division
a fraction with the numerator greater than the denominator is called an_____.
improper fraction
Convert this mixed number to and improper fraction:
6 and 2/3
20/3
The top part of a fraction that tells how many pieces you are talking about is called a_______.
Numerator
What are some keywords for addition?
Altogether, in all, total, increase, combine, add...
3/4 - 2/8
4/8 or 1/2
1/2 and 2/4 are what kind of fractions?
Equivalent Fractions
A whole number with a fraction is called______.
Mixed number
Convert this mixed number to and improper fraction:
10 and 3/5
53/5
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 find the Least Common Denominator, then make..?
Equivalent fractions
or
Common Denominator
Fractions can be simplified if the numerator and denominator has the same common ___________?
Factors
How do you multiply two fractions?
Multiply Left to Right for both numerators and denominators.
A fraction with the same numerator and denominator is a ______.
(EXAMPLE: 4/4)
1 Whole
or
A Whole Number
Convert this improper fraction into a mixed number:
15/10
1 and 5/10
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
Teacher check
What operation does a fraction represent?
What is division?
Convert this improper fraction into a mixed number:
4/3
1 and 1/4
What is a proper fraction?
A Fraction with a smaller numerator over a larger denominator.
2/10 + 3/10
What is 5/10=1/2
6/12 - 1/4
1/4
7/10 x 10/10
7/10 or 70/100
What is the 5 in 5 and 1/4 called?
What is a whole number?
Convert this improper fraction into a mixed number: 5/2
2 and 1/2
What is a mixed number?
A whole number and a fraction.
2/4 + 3/8
7/8
Lee went fishing. They caught a 5/8 pound trout and a 1/8 pound bass. Find the difference between the two fish caught?
4/8
11/3 x 11
121/3
What is a numerator?
The top number in a fractions. It tells us how many parts there are.
Convert this improper fraction into a mixed number:
4/3
1 and 1/3
Think of the term multiples.
List the first six multiples for 4
4, 8, 12, 16, 20, 24
2/10 + 5/20
9/20
3/8 - 2/8
1/8
0 x 15/23
0
What is the acronym for switching mixed numbers to improper fractions?
Multiply
Add
Denominator stays the same
Convert this improper fraction into a mixed number: 8/3
2 and 2/3
The total parts of a whole is called what in a fraction?
The denominator.
3 1/9 + 2 1/9 + 5 1/9
10 3/9
13 2/3 - 6 1/3 = ?
7 1/3
1 x 5/6
5/6
Explain how you can multiply a fraction and a whole number.
1. Multiply the numerator with the whole number. Write that are your new numerator.
2. Keep your denominator the same.
Convert this improper fraction into a mixed number: 9/3
3
What are some ways that people use fractions in the real world? Give three examples.
Answers will vary.