Katya and alec completed these steps to find the sum of
which best describes the correct sum?
3 and 1
katya
alec
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
is equivalent to 1
25x2 13
25+4 1+6
310 + 10
30-70
alec is correct because the common denominator is the
sum of 6 and 4.
alec is correct because it is equivalent to and is
equivalent to 7
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