Question

Mrs. Watson’s cookie recipe calls for 3 4/7 cups of sugar. Mr. Clark’s cookie recipe calls for 4 2/3 cups of sugar. How much more sugar does Mr. Clark’s recipe use?

Answer 1

Given :----- Mrs. Watson’s cookie recipe calls for 3 4/7 cups of sugar and mr. clark = 4(2/3) cubs of sugar ..

3(4/7) = 25/7 cups of sugar

4(2/3) = 14/3 cups of sugar

so,

clark have more sugar use. = 14/3 - 25/7 =(14*7-25*3) /21

=====(98-75) /21 = 23/21 = 1 (2/21) cups of sugar ...

so, mr clark use 1 (2/21) cups of sugar more ...

(Hope this helps you )