Multiplying Fractions
1/8 x 7
7/8
1 and 1/2 + 1 and 1/2
3
1/10 + 1/100
11/100
add a 0 on the bottom and the top
What is the numerator? What does it represent?
The top number, it represents how many pieces we currently have.
1/2 X 4
4/2 or 2
3 and 3/4 - 1 and 1/4
2 and 2/4
3/10 + 62/100
92/100
How do you turn a whole number into a fraction?
Place a one under the whole number.
What is the denominator in a fraction. What does it mean?
The bottom number in a fraction. It represents how many pieces make the whole.
3/6 x 7/2
21/12
6 and 1/3 + 2 and 1/3
8 and 2/3
26/100 - 1/10
16/100
When adding or subtracting fractions. The denominator has to be the __________. You _______ add the denominator together when adding or subtracting fractions.
same, never
What does difference mean in math?
Subtraction
In Aaliyah's grade, 2/3 of the students have a sister. Of the students who have a sister, 1/2 also have a brother. What fraction of the students in Aaliyah's grade have both a sister and a brother?
2/6 or 1/3 have a brother and sister.
8 and 1/7 - 3 and 4/7
4 and 4/7
9/10 - 42/100
What is the FIRST step in subtracting mixed numbers (that have the same denominator)?
Check if you can subtract the fractions, if not, you must turn the first mixed number into a "red flag"
What does combining or sum mean in word problems?
Addition
8/7 x 4/3
32/21
6 and 5/6 + 7 and 3/6
14 and 2/6
6 and 2/10 - 2 and 43/100
3 and 77/100
When multiplying and making an equivalent fraction, why can you multiply by the same number on the bottom and the top?
A fraction with the same numerator and denominator is equal to 1.
What is a unit fraction? Give an example.
A fraction with 1 in the numerator.