5th grade math
posted by Darb .
3/7 cup plus 1/4 cup equals how much of a cup of mixture.

3/7 + 1/4
When adding and subtracting fractions, we need a common denominator.
3/7 = 12/28
1/4 = 7/28
12/28 + 7/28 = 19/28
That's an awkward fraction. I've never seen a recipe that called for 3/7 cup. 
what is 567x999

Brenda mixed together 7/8 cup of cranberry juice and 1/3 cup of ginger ale. How much punch did Brenda make?

F (use the formula)with
10 
10