human
Subtract proper fractions with different denominators which do not share a common factor Tom and Katie are discussing how to work out the answer to \( \frac{5}{6}-\frac{1}{3} \)
Tom says you could change both denominators to \( 6 \)
Katie says you could change both denominators to \( 18 \)
Who is correct? Only
Katie
gpt
Believes a common denominator must always be the two denominators multiplied together