The fraction (3 \frac{1}{8}) can be converted to a decimal by first converting the mixed number to an improper fraction. This gives us (\frac{25}{8}). When you divide 25 by 8, you get 3.125, so (3 \frac{1}{8}) is equal to 3.125 in decimal form.
0.6666 repeating
2.67
0.375
3/10 = 30/100 = 0.3
4/5 = 8/10 = 0.8
8.75
3 x 8 = 2424.0
7.5
They are decimals that have equal value.
Not unless you are going into decimals.
3/8 = 0.375 is a terminating decimal. If you must have it in the form of a repeating decimal it is either 0.375000... or 0.374999... The second may look an unlikely answer but I can assure you that, mathematically, the two decimals are equal.
3/8 is in its simplest form.