Respuesta :

Step 1 − Divide the decimal number to be converted by the value of the new base.
Step 2 − Get the remainder from Step 1 as the rightmost digit (least significant digit) of new base number.
Step 3 − Divide the quotient of the previous divide by the new base.
Step 4 − Record the remainder from Step 3 as the next digit (to the left) of the new base number.
12.5 - 31/2 + 1 1/4

1 1/4 = 5/4 = 1.25
31/2 = 15.5

12.5 - 15.5 + 1.25
-3 + 1.25 = -1.75

-1.75 = -7/4 since the decimal form is not there. This would be the easiest way if you did t need to make it a decimal I hope it helps you (((: