1) 3 - 2/3 = 9/3 - 2/3 = 7/3 = 2 1/3
2) 7 1/2 - 1/2 = 7
3) 2 1/3 : 7 = 7/3 : 7/1 = 7/3 • 1/7 = 1/3 • 1/1 = 1/3
4) 1/2 + 5 1/5 - 7/10 = 5/10 + 5 2/10 - 7/10 = 5 7/10 - 7/10 = 5
5) 1/3 • 5 = 1•5/3 = 5/3 = 1 2/3
6) 5/3 = 5/3
1) 3 - 2/3 = 9/3 - 2/3 = 7/3 = 2 1/3
2) 7 1/2 - 1/2 = 7
3) 2 1/3 : 7 = 7/3 : 7/1 = 7/3 • 1/7 = 1/3 • 1/1 = 1/3
4) 1/2 + 5 1/5 - 7/10 = 5/10 + 5 2/10 - 7/10 = 5 7/10 - 7/10 = 5
5) 1/3 • 5 = 1•5/3 = 5/3 = 1 2/3
6) 5/3 = 5/3