Question

Help matma daję naj 20 pkt! dzielenie ułamków ;/
4/9 : 5/6 =
5/7: 1 2/5 =
2 2/5 :4/9 =
3/4 : 1 1/8 =
4 2/3 : 7/8 =

Answer 1

4/9 : 5/6 = 4/9 * 6/5 = 4/3 * 2/5 = 8/15
5/7: 1 2/5 = 5/7 : 7/5 = 5/7 * 5/7 = 25/49
2 2/5 :4/9 = 12/5 * 9/4 = 3/5 * 9/1 = 27/5 = 5 2/5
3/4 : 1 1/8 = 3/4 : 9/8 = 3/4 * 8/9 = 1/1 * 2/3 = 2/3
4 2/3 : 7/8 = 14/3 * 8/7 = 2/3 * 8/1 = 16/3 = 5 1/3

Answer 2

4/9:5/6=4/9*6/5=36/45=4/5
5/7:1/ 2/5=5/7 * 5/7 = 25/49
2 2/5 : 4/9 = 12/5 * 9/4 = 108/20 = 5 8/20 = 5 2/5
3/4 : 1 1/8 = 3/4 * 10/8 = 30/32 = 15/16
4 2/3 : 7/8 = 14/3 * 8/7 = 112/21 = 16/3 = 5 1/3 
Liczę na naj ;)