Multiplying and Dividing Fractions
Carol is baking cookies and needs two and one-fourthcups of flour, two-thirdscup of white sugar, one-fourthcup of brown sugar, andone -sixteenth cup of baking soda. Use this information to answer the following questions.
1 Divide the amount of white sugar by the amount of brown sugar. What is the quotient?
three-eighths
two-thirds
2 two and two-thirds
If the amount of white sugar were increased by a factor of two and one-half, in cups, how much sugar would there be?
two and one-half
two and three-fifths
one and two-thirds
one and three-fifths
3 If the amount of flour were increased by a factor of two and one-half, in cups, how much flour would there be?
two and one-half
two and one-fourth
five and five-eighths
five and one-fourth
4 If only one-quarter the amount of brown sugar in the recipe were used, how much brown sugar would be used?
one-eighth
one over twenty-four
one-twelfth
one-sixteenth
5 If only one-quarter of the amount of baking soda in the recipe were used, how much baking soda would be used?
one over sixty-four
one over twenty
one-sixteenth
one-quarter