What is 5 1/8 as a decimal?

##5 1/8=5.125##

First convert ##5 1/8## into an improper fraction.

Multiply the denominator ##8## times ##5##, then add the numerator ##1##. ##(8xx5)+1=41##. The improper fraction is ##41/8##.

To convert this to decimal form, use a calculator (or use long division), and divide ##41## by ##8##.

##41/8=5.125##