Q. 3. On a recent math test, Aubrey was asked to find the LCD of and and then to write equivalent fractions using this LCD. Aubrey felt confident that she answered the question correctly, but when she received her graded test, her answer was marked as incorrect. View
Aubrey's work below to find her mistake and then describe to Aubrey the mistake you found.
Aubrey's work:
Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24
Multiples of 4: 4, 8, 12, 16, 20, 24
LCD of 3 and 4 is 24. Equivalent fractions with the LCD: and