Adding Fractions
To add fractions they must have the same ______.
denominator
IF subtracting fractions with unlike denominators you must first find the __________?
least common denominator
the top digit in a fraction
numerator
Find the LCD of 3 & 5
15
What is the LCD for 1/6 and 2/5?
30
Solve using the least common denominator
3/5 +1/10=
7/10
5/6 - 1/3 =
The bottom digit of a fraction
denominator
Find the LCD of 10 & 100
100
what number is x?
2/5=x/10
4
1/3+1/3 =
2/3
When subtracting fractions with a common denominator, what do you do with the numerators?
subtract
a fraction with the numerator greater than the denominator
improper fraction
Find the LCD of 15 & 20
60
6/12-3/6
0
How many 10ths make up 1 Whole?
10
8/12 - 3/12
5/12
A number with a whole number and a fraction
mixed number
Rename this fraction to have a denominator of 42:
6/7
36/42
2/4 + 4/6
14/12 or 1 2/12
3/8 + 2/4 =
7/8
What are the 3 basic steps of adding or subtracting fractions?
finding the LCD, creating equivalent fractions, and solving
A fraction with the same numerator and denominator is equivalent to 34/34
1/1 or 1
What do you call the answer to a multiplication problem?
the product
Find the LCD for 1/8 and 3/12
24
4/8 + 2/3
1 1/6
9/12-2/8
12/24 or 1/2
what number is x?
1/4= x/12
3
Find the LCD for 1/4 and 1/6
12
3/5 + 1/15
10/15