331.3%
Convert 53/16 to simplest form, 3 5/16, convert 5/16 into numbers —> 0.3125
Take the whole number and add it into the ones place: 3.3125
Move the decimal into two places then round to the nearest tenth: 331.3
To do this find the LCD which in this case, is 16. once you multiply all fractions to where the denominator is 16 you should have: 10/16, 12/16,8/16 and 9/16. Your will be 8/16, 9/16, 10/16, 12/16