Question

помогите решить
(10+2/15-1/4*15)-51/2

Answer 1

= 10 2/15 - 15/4 - 51/2=
=152/15 - 15/4 -51/2=
=(152×4-15×15-51×30)/60=
=(608-225-450)/60=-67/60=- 1 7/60

Answer 2

(10+2/15-1/4*15)-51/2=100/10+2/15-15/4-52/2=600/60-8/60-225/60-1560/60=(600-8-225-1560)/60=–1193/60=$-19 frac{53}{60}$