Question

六又九分之四减三点八六加三又六分之五减一点二四

Answer 1

6 + 4/9 - 3.86 + 3 + 5/6 - 1.24

= 3.9 + 4/9 + 5/6

= 3.9 + 8/18 + 15/18

= 3.9 + 23/18

= 351/90 + 115/90

= 466/90

= 233/45