One morning TeeDee's Pie House sold 2/10 of a shoo-fly pie,2 4/10 blackberry pies, 2 5/10 and banana cream

Question

pies. How many pies were sold that morning?

Answer 1

2/10 + 2 4/10 + 2 5/10 = 2+2 + (2/10 + 4/10 + 5/10)
= 4 + 11/10
= 5 1/10 pies