What is the shortcut to changing a mixed number to an improper fraction?
Multiply denominator and whole number and then add the numerator. Keep the denominator.
500
How do you change an improper fraction to a mixed number?
Divide the numerator by the denominator to get the whole number. Then put the remainder over the original denominator.
500
How do you simplify a fraction?
Find the GCF and divide the numerator and denominator by it.
500
There are 12 colored marbles in a bag: 4/12 of the marbles are green, 3/12 yellow, and 5/12 blue. Emmanuel added 3 red marbles. What fraction of the marbles are red?
3/15 or 1/5
500
If 34/100 of the children of a spinning swing ride are girls, what fraction of the children on the ride are boys?