Ella spends 2/3 hour practicing the piano each day. she also spends 1/2 hour jogging. what is the common denominator of the fractions?

The common denominator is actually 6.

1/2 is the same as 3/6,
2/3 is the same as 4/6,
and therefore the least common denominator (LCM) is 6.

32

step-by-step explanation:

these are your clues: 1. kim ran 18 races2. this was four fewer races than twice thenumber, notice it says twice the number, so you would do the equation 18x2-4; which equals the number 32.thus, 32 is your answer.