RatioUnderstanding

1. Use a clock to explain how 1/3 and ¼ = 7/12? You add the 1/3 and 1/4 to get 7/12 by changing the 1/3 to 4/12 and the 1/3 to 3/12. So you can add it on a clock and there is 12 hours on a clock, and you add the numerator together and leave the 12 alone, so you get 7/12.