Question

Как решить? Помогите пожалуйста

Answer 1

$frac{97}{12} - frac{49}{15} - frac{37}{30} = \ = frac{97 times 5}{12 times 5} - frac{49 times 4}{15 times 4} = frac{37 times 2}{30 times 2} = \ = frac{485}{60} - frac{196}{60} - frac{74}{60} = \ = frac{485 - 196 - 74}{60} = frac{215}{60} = \ = frac{43}{12} = 3 frac{7}{12}$