Adding Fractions
3/6 + 1/6 You must simplify
4/6 = 2/3
5/7 - 3/ 7
2/7
1/2 x 1/2
1/4
Do you have to have a common denominator when multiplying fractions?
No
Reduce 10/12.
5/6
1/5 + 2/3
13/15
5/10 - 2/ 5
1/10
1/5 x 2/3
2/15
Do you have to have a common denominator when adding fractions?
Yes
the least common denominator between 3 and 7
21
1/6 + 2/5
17/30
5/6 - 1/3= (answer needs to be in simplest form)
½
Solve 3/2 x ½
3/4
Do you have to have a common denominator when subtracting fractions?
Yes
change 4¾ to an improper fraction
19/4
1¼ + 3 1/3
4 7/12
5 ½ - 1 1/6 You need to simplify
4 2/6 = 4 1/3
3 ½ x ½
1¾
Which operations do you have to have the same denominator to solve?
Addition and Subtraction
Simplify 35/56.
5/8
A recipe for salad dressing needs 1 3/4 cups of vinegar and 3 1/2 cups of oil. How much dressing will be made when the oil and vinegar are mixed together? You must Simplify
5 1/4
The carpenter has 12 1/8 boxes of nails. He used 4 3/8 boxes to make shelves in his garage. How many boxes of nails does he have left?
You must Simplify
7 6/8= 7 3/4
Ebony walked 4/5 miles each day. How many miles did Ebony walk in 7 days?
5 3/5
How do you simplify a fraction?
Divide by a common factor
Simplify 85/40.
2 1/8