27+27/9*6/4*9-39/7=? 5*5+15/8*9+45-18/8=?

Question

27+27/9*6/4*9-39/7=? 5*5+15/8*9+45-18/8=?

Answer 1

27+27/9*6/4*9-39/7 = 432/7
1) 27/9*6/4 = 4.5 = 9/2
2) 9/2*9=40.5 = 81/2
3) 27+81/2-39/7 = 432/7

5*5+15/8*9+45-18/8 = 677/8
1)5*5=25
2) 15/8*9= 135/8
3) 25+135/8+45-18/8 = 677/8