1 1/4 * 6 6/7=....; 4 3/4- 3 1/2=...; 1 2/5* 2 1/2=...;

Question

1 1/4 * 6 6/7=....;
4 3/4- 3 1/2=...;
1 2/5* 2 1/2=...;

Answer 1

1 1/4 * 6 6/7 = 5/4 * 48/7 = 60/7 = 8 4/7
4 3/4 - 3 1/2 = 4 3/4 - 3 2/4 = 1 1/4
1 2/5 * 2 1/2 = 7/5 * 5/2 = 7/2 = 3 1/2