Common Denominators
What is a common denominator?
a number that is a multiple or a factor of both denominators
Can you add fractions with unlike denominators?
Yes, but you have to convert to common denominators first
What is a mixed number? How is it different from a fraction?
It is a more than one, it is a whole number and a part of another whole number
What on earth is an improper fraction?
When the numerator is larger than the denominator
Finish Mrs.Todd's quote:
What you do to the bottom....
You do to the top
Julie uses 4 2/3 yards of pink yarn and 2 2/3 yards in black yarn for a craft project. Write and solve an equation to show how much yarn Julie uses in all.
7 1/3 yards
How can you find a common denominator of two unlike denominators?
Find the least common multiple of the two denominators
When adding fractions, do you add the numerators or the denominators?
numerators
When adding or subtracting mixed numbers, what should be your first step?
find a common denominator
What do we have to do to improper fractions?
turn them into mixed numbers
When you multiply a denominator by a least common multiple, what happens to the numerator?
you multiple it by the same number
Ben poured 3/4 cup of lemonade for himself and another 7/8 for his sister. How much lemonade did Ben pour in all?
1 5/8 cups
What is the least common denominator of 4 and 6?
12
When subtracting fractions, what do you subtract?
numerator
What parts of a mixed number do you add or subtract when adding or subtracting mixed numbers?
The whole numbers and the numerators
How would you rename 9/3?
3
When a numerator is greater than a denominator, what is that called?
Improper Fraction
Tristen is riding his hoverboard 2 7/10 miles to the park. He rides 1 1/4 miles and stops to take a drink. How much farther does Tristen have to ride to the park?
1 9/20 miles
What is a least common multiple of 9 and 6
18
What is 3/4 - 2/5?
7/20
What is 8 1/8 - 3 2/3?
4 11/24
How would you rename 10/8?
1 2/8 or 1 1/4
80/100 - 3/10
50/100 or 25/50 or 5/10 or 1/2
Rylee mixes 6 7/8 pints of fruit juice and 4 1/4 pints of ginger ale to make punch for her Halloween party. She has 9 pints of punch left at the end of her party. How much punch did Rylee serve at her party.
2 1/8 served at the party
What is the least common multiple of 7 and 6?
42
What is 8/6 + 7/3 in improper fraction AND mixed number form.
Improper Fraction: 22/6
Mixed Number: 3 4/6
What is 1 7/8 + 1 1/5 as a mixed number?
3 3/40
How would you rename 19/4?
3 7/4
2/5 + 1/3
11/15
Who is your Favorite 5th Grade Teacher?
Better be ME!!!!