Question

(1,5-6/7):(5/12-1/4)

Answer 1

$(1,5-frac{6}{7} ):(frac{5}{12} -frac{1}{4} )=(frac{3}{2} -frac{6}{7} ):(frac{5-3}{12})=(frac{21-12}{14} ):frac{1}{6} =frac{9}{14} *6=frac{9}{7} *3\\=frac{27}{7} =3frac{6}{7}$