Question

3/4 + 5/6 - 8/5 * 5/4 + 7/6 - 1/15
porfa ayudenme

Answer 1

Se infiere que la operación, correctamente escrita, es:
   {(3/4) + (5/6) - (8/5)} * {(5/4) + (7/6) - (1/15)}
= {(45/60) + (50/60) - (96/60)} * {(75/60) + (70/60) - (4/60)}
= {(45+50-96)/60} * ((75+70-4)/60}
= {-1/60} * {141/60)
= {-1*141} / {60*60}
= -141 / 3600