5 4/19*3 4/7+1 15/19:7/25-1 2/3

5 4/19*3 4/7+1 15/19:7/25- 1 2/3= 99/19*25/7+34/19*25/7-5/3=2475/133+850/133-5/3=3325/133-5/3=9975/399-665/399=9310/399=23 133/399=23 1/3