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
21/2
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?
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, when 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.