In math, when the word "of" is used, it means multiplication.
5/6 of 48 ---> 5/6 × 48 = 40
How much does 6 goes in 48? Anser is 8 since 6 × 8 = 48. So this means that 6 and 48 cancels out remaining 8 and 5. 5 × 8 = 40 which is your answer. Hope this helps, thank you :) !!
