Adding Fractions
Subtracting Fractions
Common Denominators
Least Common Multiple
Adding/Subtracting Fractions
100

3/4 + 1/4 = ?

what is 1

100

4/5 - 2/5 = ?

what is 2/5

100

the least common denominator of 2 and 4 is this number

what is 4

100

one way to find the least common multiple between numbers is to list these

what are multiples of each number

100

(1/2 + 3/4) - 2/8 = ?

what is 1

200

2/5 + 3/10 = ?

what is 7/10

200

2/3 - 1/9 = ?

what is 5/9

200
in order to add or subtract fractions, you must first do this
what is create common denominators
200

the least common multiple between 2 and 8 is this

what is 8

200

1/3 + (2/3 - 1/3) = ?

what is 2/3

300

2/15 + 23/30 = ?

what is 9/10

300

4/7 - 3/21 = ?

what is 3/7

300

one way to find a common denominator is to multiply these

what is multiply original denominators
300

the least common multiple between 5 and 9 is this

what is 45

300

2/5 + (6/10 - 11/30) = ? 

what is 19/30

400

3/8 + 4/7 = ?

what is 53/56

400

10/10 - 19/23 = ?

what is 4/23
400

one way to find a common denominator is to list these

what are multiples of each denominator

400

the least common multiple between 12 and 15 is this

what is 60

400

(2/6 - 1/12) + 3/24 = ?

what is 3/8

500

3/7 + 2/9 = ?

what is 41/63
500

9/10 - 3/4 = ?

what is 3/20

500

True or false: a common denominator is when the denominators or 2 fractions are different

what is false

500

the least common multiple between 17 and 34 is this

what is 34

500

1/2 + (4/7 - 1/4) = ?

what is 23/28