Probability as a fraction
Express the probability of a simple event as a fraction in lowest terms. Unlimited questions, five difficulty levels, and a full worked solution every time — free.
Try one
A bag has 3 yellow, 6 red marbles. If you reach in and grab one marble without looking, what is the probability it is red? Give your answer as a fraction in lowest terms.
Answer: 2/3
See one solved, step by step
A drawer has 3 purple, 6 blue, 3 green socks. If you reach in and grab one sock without looking, what is the probability it is blue? Give your answer as a fraction in lowest terms.
📘 Worked solution
16 out of 12 socks are blueCount how many favourable outcomes (blue) there are out of all the socks.
2612 = 12Probability = favourable outcomes / total outcomes, reduced to lowest terms.
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