Arielle's Last Fraction Post

Monday, May 11, 2009

[1] Find the LOWEST COMMON DENOMINATOR
[2] Add up the numerators with the new denominator
[3] Simplify fraction

[1] Convert the mixed numbers into IMPROPER FRACTIONS
[2] Find the lowest common denominator
[3] Add up the numerators with the new denominator
[4] Convert the fraction to a mixed number
[5] Simplify fraction

Subtracting Fractions

[1] Find the lowest common denominator
[2] Subtract the numerators with the new denominator
[3] Simplify fraction

Multiplying Fractions

[1] Multiply the numerators together
[2] Multiply the denominators together
[3] Simplify fraction

Multiplying Mixed Numbers
[1] Convert the mixed numbers into improper fractions
[2] Multiply the numerators together
[3] Multiply the denominators together
[4] Convert the fraction to a mixed number
[5] Simplify fraction

Dividing Fractions
[1] Turn the second fraction into a reciprocal (upside down)
[2] Multiply the first fraction to the second fraction
[3] Convert the fraction to a mixed number
[4] Simplify fraction

Dividing Mixed Numbers
[1] Convert the mixed numbers into improper fractions
[2] Find the reciprocal of the second fraction
[3] Multiply the first fraction to the second fraction
[4] Convert the fraction to a mixed number
[5] Simplify fraction

Problem Two
It takes 2 1/4 scoops of flour to make one cake. How many cakes do 15 scoops of flour make?

Problem Three

One day in WInnipeg with 10 1/2 hours of daylight, it was sunny for 1/3 of that time. For how many hours was it sunny that day?