1. find the lcd of 3/5 and 1/6.
a. 5
b. 6
c. 11
d. 30
2. what is the difference between 3/7 and 1/14.
a. 1\2
b. 4/14
c. 5/14
d. 9/14
3. if sandy's cookie recipe calls for 1/3 cup of brown sugar and she increases it by 2/9 of a cup, how much brown sugar does she use?
a. 7/9 cup
b. 5/9 cup
c. 4/9 cup
d. 1/9 cup
4. what value could be added to 2/15 to make the sum greater than 1/2?
a. 1/15
b. 8/30
c. 5/15
d. 8/15
5. which set of mixed numbers has a difference less than 1?
a. 1 2/9, 1 1/9
b. 3 4/7, 2 1/7
c. 2 4/5, 1 1/3
d. 2 7/9, 1 1/3