Question

275!!!!!!!!!!!!!!!!!

Answer 1

А)
$frac{21}{18} = frac{7}{6} = 1 frac{1}{6}$
Б)
$frac{16}{60} = frac{4}{15}$
В)
$frac{72}{78} = frac{12}{13}$
Г)
$frac{45}{51} = frac{15}{17}$