human
Add algebraic fractions where the denominators are single terms and are not multiples of each other Express the following as a single fraction, writing your answer as simply as possible: \( \frac{t}{s}+\frac{2 s}{t} \) \( \frac{t^{2}+4 s^{2}}{s t} \)
gpt
When squaring a variable, believes they also need to square the coefficient