Question

Find a common denominator for the following fraction pairs

Answer 1

for a) the common denominator is 12
and for b) the common denominator is 40

Answer 2

a) The least common denominator is 12. Both 4 and 3 go into 12 evenly.
b) The least common denominator is 40. Both 5 and 8 go into 40 evenly.