Question

пж помогите!!! 30 баллов!!!​

Answer 1

17 $\frac{20}{19}$ - 16 $\frac{5}{19}$ = 1 $\frac{15}{19}$

Answer 2

18 1/19=343/19

16 5/19=309/19

343/19-309/19=34/19=1 15/19