Numerators and Denominators
Adding and Subtracting Fractions
Mixed Numbers
Multiplying Fractions
Improper Fractions
100
When you are adding or subtracting fractions, do the denominators have to be the same?
Yes.
100
Solve: 1/2 + 1/3
5/6
100
Change the following improper fraction into a mixed number: 31/4
7 3/4
100
What is the procedure for multiplying fractions?
Multiply the numerators together, and then multiply the denominators together. For example, 1/2 x 2/3 = 2/6 Simplified, that would be 1/3.
100
Simplify the following improper fraction: 45/9
5
200
When you are multiplying or dividing fractions, do the denominators have to be the same?
No.
200
1 2/5 + 3 3/4
5 3/20
200
Change the following improper fraction into a mixed number: 12/5
2 2/5
200
Solve: 2/5 x 7/9
14/45
200
When you see an improper fraction, such as 28/7, what do you know you need to do to simplify it?
Divide
300
Name one way you can find a common denominator between two fractions.
Either multiply the fractions together, or find the lowest common factor.
300
4/5 - 2/3
2/15
300
What are the steps for turning a mixed number into an improper fraction?
Multiply the denominator by the whole number, add the sum to the numerator, and place the new sum over the denominator. Example: 2 1/3 = 7/3.
300
Solve: 2 2/3 x 3 1/4
104/12 Turned into a mixed number, that is 8 8/12. Simplified, that is 8 2/3.
300
Simplify the following improper fraction: 28/4
7
400
What is the lowest common denominator between the following two fractions? 3/5 and 1/3
15
400
3 1/2 - 3/4
2 3/4
400
Turn the following mixed number into an improper fraction: 4 4/5
24/5
400
What are the steps to simplifying a fraction?
You divide it by the lowest common factor.
400
Turn the following improper fraction into a mixed number: 37/9
4 1/9
500
When adding or subtracting fractions, do you add/subtract the numerators, the denominators, or both?
The numerators.
500
1 2/3 - 1/2
1 1/6
500
Turn the following mixed number in to an improper fraction: 59/8
7 2/8 (or 7 1/4)
500
Solve: 3 2/3 x 3/7
33/21 Turned into a mixed number, that would be 1 12/21. Simplified, that would be 1 4/7.
500
What is the procedure for turning an improper fraction into a mixed number?
Divide. The answer will be our whole number; the remainder will be our numerator; our divisor will be the denominator. For example: 32/3 = 10 2/3
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