EQUIVALENT FRACTIONS W/COMMON DENOMINATORS
Equivalent Fractions & Common Denominators
2/3 , 5/9
6/9 , 5/9
Add & Subtract Fractions w/Unlike Denominators
1/4 + 3/8
5/8
Subtract
3/4 - 1/2
1/4
What is the number on the top of a fraction called?
Numerator
Which operation would you use to solve the following problem?
John buys 2/5 pounds of cake mix. Mary buys 2/3 pounds of cake mix. How much cake mix did they buy in all?
Addition
Equivalent Fractions & Common Denominators
1/3 , 1/5
3/15, 5/15
Add & Subtract Fractions w/Unlike Denominators
5/12 + 1/3
9/12 or 3/4
Subtract
7/8 - 2/4
3/8
What is the number on the bottom of the fraction called?
Denominator
Which operation would you use to solve the following equation?
Robert has 2/5 oz of water left in a bottle. If he drinks 1/5 of the remaining water, how many oz of water did he drink?
Multiplication
Equivalent Fractions & Common Denominators
5/9 , 4/15
12/45, 25/45
Add & Subtract Fractions w/Unlike Denominators
2/5 + 3/7
29/35
Subtract
3/4 - 2/3
1/12
When two fractions have the same value but are represented by different numbers (EX: 2/5 and 4/10) those fractions are _________.
Equivalent
Which operation would you use to solve the following problem?
Mary rand 3/4 of a mile, while Sue ran 7/10 of a mile. How much farther did Mary run than Sue?
Subtraction
Equivalent Fractions & Common Denominators
1/6 , 4/21
7/42, 8/42
Add & Subtract Fractions w/Unlike Denominators
3/4 - 1/8
5/8
Subtract
4/5 - 1/3
7/12
When adding fractions with unlike denominators, you have to first make them match by finding the ____________
Least Common Denominator
OR
LCD
Which operation would you use to solve this problem?
Stan has 5 pounds of flour to use in baking cakes. If each cake uses 1/4 pounds of flour, how many total cakes could he bake?
Division
Equivalent Fractions & Common Denominators
7/12 , 5/18
10/36, 21/36
Add & Subtract Fractions w/Unlike Denominators
1/4 - 1/7
3/28
Subtract
5/7 - 2/5
11/35
A number represented by a whole number AND a fraction is called a __________ _________.
Mixed Number
Which operation would you use to solve this problem?
Mary Ann ate 2/7 of the pie in the fridge. Gary ate 3/8 of the pie in the fridge. How much pie did they eat altogether?
Addition