improper to mixed
mixed to improper
surprise
multiplying fractions
dividing fractions
100
13/3
4 1/3
100
5 1/2
11/2
100
What is the first step to multiplying mixed numbers?
1. Change any mixed number into an improper fraction.
100
1/2 x 1/4
1/8
100
1 2/3
200
27/5
5 2/5
200
6 1/4
25/4
200
What is the rule for dividing fractions (that we learned from the Generation Genius video)?
KCF (Keep Change Flip)
200
3/4 x 6/8 (simplified)
9/16
200
simplified
10
300
45/8
5 5/8
300
6 4/5
34/5
300
What is the third step to dividing fractions
1. Change any mixed numbers to an improper fraction.
2. Keep the first number
3.Change division to multiplication
300
8 x 4/5 (simplified)
6 2/5
300
Simplified
2
400
53/8
6 5/8
400
9 1/2
19/2
400
What is always the last step in multiplying or dividing fractions.
SIMPLIFY
400
3/4 x 2 5/6 (simplified)
2 1/8
400
simplified
1/2
500
113/12
9 5/12
500
8 2/5
42/5
500
When using the common denominator division method, what is the second step.
Divide the numerators.
500
1 3/5 x 3 1/2 (simplified)
5 3/5
500
8/9 รท 1/2
simplified
1 7/9