3/8 4/5 / 9/10= (3 4) / (8 5) / 9/10= 12 / 40 / 9/10= 12 / 40 10 / 9= 1/3 * 10 / 9= 10 / 27
2 целых 2/11 1 целую 3/8 / 3/4= (2 11 + 2) (1 8 + 3) / 3= 24 * 11 / 3= 88
3/5 (2 целых 2/3 / 3 целых 1/5)= 3/5 (2 3 + 2/3) / (3 5 + 1/5)= 3/5 (6 + 2/3) / (15 + 1/5)= 3/5 (18/3 + 2/3) / (75/5 + 1/5)= 3/5 20/3 / 76/5= 3/5 100/15 / 76/5= 20/1 / 76/5= 20/1 * 5/76= 100/76= 25/19
3/8 4/5 / 9/10
= (3 4) / (8 5) / 9/10
= 12 / 40 / 9/10
= 12 / 40 10 / 9
= 1/3 * 10 / 9
= 10 / 27
2 целых 2/11 1 целую 3/8 / 3/4
= (2 11 + 2) (1 8 + 3) / 3
= 24 * 11 / 3
= 88
3/5 (2 целых 2/3 / 3 целых 1/5)
= 3/5 (2 3 + 2/3) / (3 5 + 1/5)
= 3/5 (6 + 2/3) / (15 + 1/5)
= 3/5 (18/3 + 2/3) / (75/5 + 1/5)
= 3/5 20/3 / 76/5
= 3/5 100/15 / 76/5
= 20/1 / 76/5
= 20/1 * 5/76
= 100/76
= 25/19