6 целых 3/5 - 2 целых 7/15+8 целых 3/4 - 1 целая 1/60

Question

6 целых 3/5 - 2 целых 7/15+8 целых 3/4 - 1 целая 1/60

Answer 1

6цел3/5-2ц7/15+8ц3/4-1ц1/60=6ц39/60-2ц28/60+8ц45/60-1ц1/60=11ц55/60=11ц11/12