4 5/8 as a decimal number

To convert the mixed number 4 5/8 to a decimal number, add the whole number part to the decimal part:

4 + 5/8 = (4 * 8)/8 + 5/8 = 32/8 + 5/8 = 37/8

Now divide the numerator (37) by the denominator (8):

37 ÷ 8 = 4.625

Therefore, 4 5/8 as a decimal number is 4.625.