1.) 1 14/15 25 = (1 + 14/15) 25
= (15/15 + 14/15) 25
= 29/15 25
= 725/15
= 48.33

2.) 13/17 34 3/10 = (13/17) (34 + 3/10)
= (13/17) (340/10 + 3/10)
= (13/17) (343/10)
= 4449/170
= 26.17

So, 1 14/15 25 = 48.33 and 13/17 34 3/10 = 26.17