Question

54/45 · 60/48 · 30/310=

Answer 1

54/45 * 60/48 = 1.5

1.5 / 310/30 = 0.00016129032 a.k.a

Hope it helps! :D

Answer 2

54/45=1.2
60/48=1.25
30/310=0.096
1.2+1.25+0.096=2.546
your answer is 2.546 
hope this help!