Elise is doing her home work. she spends 1/3 hour on math homework and 1/5 hour on spelling words. for numbers 6a-6c, select yes or no to tell whether each of the following is a true statement. 6a: 15 is a common denominator of 1/3 and 1/5. yes or no? 6b: the amount of time spent on math homework can be rewritten as 1/5. yes or no? 6c: the amount of time spent on spelling words can be rewritten as 3/15. who ever answers first gets brainliest! must be specific and this is worth 20 points!