First count all the balls. 11 balls. That will be your denominator.
His chances of drawing a red ball is 4/11
His chances of drawing a blue ball is 5/11
Answer:
Step-by-step explanation:
So to get the fractions easier to understand you need to put them on the same level you are on. So change the 9/10 gallons to 18/20 ( this makes them easier to deal with the 1/20)
so put 1/20 into 18/20. Liam can paint 18 bird houses.