Multiplying and Dividing
15/3 x 2/5 =?
2
1/2 + 3/5 =?
11/10
What is the first step to adding/subtracting/multiplying/dividing mixed fractions?
Convert the mixed fraction to a improper fraction
1/5 / 6/7 =?
7/30
6/7 - 3/6 =?
15/42
Describe how to divide 2 fractions
Keep the first fraction the same, change the divide to multiply, flip the last fraction around. Solve.
2 3/4 x 3/7 =?
33/28
2 1/4 + 3/5 =?
57/20
When multiplying fractions, do you need to find the least common demoninator?
no
1 2/3 / 3 2/7 =?
35/69
1 2/3 + 2 3/6 =?
25/6
How do you simplify a fraction?
Find a number that can go into the denominator AND the numerator
5 5/3 x 2 4/6
320/16
4 6/9 - 10 5/12 (WORTH 1000 POINTS!!)
-23/4
Describe how to add 2 fractions together
Find the least common denominator for the 2 fractions, whatever you multiply to the bottom you do to the top, add the denominators. Solve.