4 and 5 eighths = 4 + 5 eighths of 4 + (5/8) = 4 + 0.625 = 4.625
4.625 is easier to read. If you divide the bottom number into the top number, you'll get the decimal.
There are 1000 milligrams in a gram. 62.5 divided by 1000 is .0625, so there are .0625 grams in 62.5 milligrams.
.0625
.0625
Expressed as a decimal, 1/16 is equal to .0625.
0.0625
1/16 = .0625
.0625
.0625 = 1 ounce .0625 x 16 = 1 lb 1.5 lbs = 24 oz (24 x .0625 = 1.5lbs) 1.8 lbs = 28.80 oz (28.80 x .0625 = 1.8 lbs) 159.3 lbs = 2548.80 oz (2548.80 x .0625 = 159.3 lbs)
0.0625
In simplest form, 0.625 as a fraction equals 1/16
.0625 is 6.25%