Which best describes the correct sum?
Katya and Alec completed these steps to find the sum of
3 and
Katya is correct because 12 is the only common
denominator that can be used to find this sum.
Katya is correct because 10 is equivalent to and
Katya
lec
35x2 1x
is equivalent to
1010
1010
Alec is correct because the common denominator is the
sum of 6 and 4.
Sla
Alec is correct because
is equivalent to
and
is equivalent to