67 1/7:1 3/7-33,4:8 15/19

Question

67 1/7:1 3/7-33,4:8 15/19

Answer 1

1)67 1/7÷1 3/7=470/7÷10/7=470/7×7/10=47
2)334/10÷167/19=334/10×19/167=38/10=3,8
3)47-3,8=43,2