Bantu jawab nomer 2 dan nomer 5 kk terima kasih ​

2 7/10- 1 3/4= 19/20

4 2/9- 1 1/3= 2 8/9

2 3/5- 1 5/10= 1 1/10

3 1/4- 2 3/8= 7/8

3 11/14- 2 11/12= 73/84