math practices and problem solving
76/100 = 76/1002/10 = 20/10076 + 20 = 96100/100 - 96/100 = 4/100 = 2/50 = 1/2513/100 = 1321/100 = 215/10 = 50/100 = 5013+21+50=84 = 84/100100/100 - 84/100 = 16/100 = 4/25