Math Worksheets Mixed

Question: Math Question, adding fractions and stuff like that…?
Ok so this summer i am doing online printable Math Worksheets and i need to know how to do some stuff. ok so here i go. plz tell me how to do each of these.
1.Multiplying fractions
2.Multiplying fractions and mixed numbers
3.multiplying mixed numbers
4.adding mixed numbers with the same denomintor
5. adding fractions with diff. denominater
6.subtracting mixed numbers
7.dividing numbers by fractions
8. dividing fractions
9.dividing mixed numbers
If you know any of these plz help. THanks bunches.
Answer: 1. You multiply the numerators and denominators together… ex. 1/2 X 1/2 = 1/4
2. Change the mixed number into a improper fraction and then multiply
3. Change into improper fractions and then multiply
4. Add the numerators together and then add the numbers in front of the fraction together… ex. 2 1/2 + 2 1/2 = 4 2/2 = 5
5. Change the mixed numbers into improper fractions and then the LCD. Add fractions together.
6. Change into improper fractions and then get the LCD (I think) then subtract
7. Take the number and multiply by the fraction’s recriprocal: 4/1 would be 1/4
8. Flip one fraction to the recriprocal and then multiply
9. Change to improper fractions and then do the recriprocal thing and then multiply
Subtracting Mixed Numbers with Uncommon Denominators