The answer is 4/16. The fastest way to solve these sorts of equations is to remember that a fraction is merely a division problem. Take the top number (numerator) and divide it by the bottom number ( denominator). That will give you a decimal. 4/16 is equal to .25. 5/20 is also equal to .25. You could also go about it by reducing the fraction. 5 goes into 20 4 times 5 goes into itself 1 time. so you have 1/4. 4 goes into 16 four times and into itself once. It is also 1/4. I hope this helps. :)
