we have
0.0144 by 0.012
To remove the decimal numbers
multiply by 10,000 both numbers
0.0144*10,000=144
0.012*10,000=120
0.0144 by 0.012 is the same that 144/120
simplify the fraction
144/120 ----> divided by 2 both numbers ------> 72/60
72/60-------> divided by 2 both numbers ------> 36/30
36/30 ------> divided by 2 both numbers -----> 18/15
18/15 -------> divided by 3 both numbers --