Adding Fractions
to add fractions they must have the same ______.
What is denominator?
When subtracting fractions, denominators must be ______.
What is common (the same).
the top digit in a fraction
What is the numerator?
Find the LCM of 3 & 5
What is 15
The top part of a fraction that tells how many pieces you are talking about is
What is the numerator
When adding fractions with unlike denominators, you must find the ______.
What is the least common denominator?
The Carson family went fishing. They caught a 2 5/8 pound trout and a 1 4/8 pound bass. How many more pounds was the trout than the bass?
what is 1 1/8
The bottom digit of a fraction
What is the denominator?
Find the LCM of 3 & 6
What is 6
The bottom portion of the fraction that tells how many equal pieces there are total is called
What is the denominator
When adding fractions with a common denominator, what do you do with the numerators?
What is add?
When subtracting fractions with a common denominator, what do you do with the numerators?
What is subtract?
Find the LCM of 6 & 4
What is 12
Before we can add or subtract fractions, we must have a common...
What is denominator
A fraction can be simplified if they have a common _______.
What is factor?
Answers must always be written in _______.
What is simplest form?
A number with a whole number and a fraction
What is a mixed fraction?
Find the LCD for 8/11 and 4/7
What is 77
When are 2 times in the real world when you would use fractions?
What is cooking, measuring, building ..multiple answers
7/22 + 4/22 = ? (Simplified form)
What is 1/2
4/12 - 3/12
What is 1/12
Find the LCD of 16 and 8
What is 16
A fraction answer must always be written in _____
What is simplest form
5/12 + 9/12
What is 1 1/6
9/12-6/12
What is 1/4
1/4= x/12 what is x?
What is 3
Find the LCD for 1/4 and 1/6
12
When finding the LCD, you list the ______ of each number and find the first one they have in common.
Multiples
2/10 + 3/10
What is 1/2
14 16/40 - 9 15/40
What is 5 1/40
2/5=x/10
What is 4
Find the LCD for 1/6 and 2/5
What is 30
List the first six multiples for 4
4, 8, 12, 16, 20, 24
1 15/24 + 2 19/24
What is 4 5/12
8/12 - 3/12
What is 5/12
Are 1/4 and 1/2 equivalent fractions? How do you know?
No, they are not equivalent because 1/4 is NOT equal to 1/2... 2/4 is equal to 1/2
Find the LCD for 3/4 and 3/5
What is 20
List the first 6 multiples for 8
What are 8, 16, 24, 32, 40 and 48
1 14/35 + 4 32/35
What is 6 11/35
30/60 - 10/60
What is 1/3
Are 2/3 and 4/6 equivalent fractions and how do you know?
Yes they are equivalent because 4/6 reduces to 2/3 with the GCF of 2.
Find the LCD for 7/9 and 5/6
What is 18
Write the least common multiple for the numbers: 20 and 15
What is 60
4 11/36 + 7 32/36 - 1 18/36
What is 10 25/36
24/30 - 8/30 - 3/30
13/30
Are 3/4 and 2/3 equivalent fractions, how do you know?
No they are not equivalent fractions because you cannot simplify one fraction to equal the other.
Rename these fractions to have a denominator of 42: 5/6 and 3/7
What are 35/42 and 18/42
This is what you use to put fractions into simplest form.
What is Greatest Common Factor?