What is the sum of 6 3/5, 12 1/2 and 7 3/5

Dee used 2 1/3 cups of sugar for a cake recipe. if the amount of sugar the container holds is 3 times the amount she used, does the container hold more than, less than, or equal to 3 cups of sugar? explain.

Write the pair of fractions as a pair of fractions with a common denominator

Fast! find the length of cu. the triangles are similar. show your work.