Question

13 восьмых -15 вторых

Answer 1

$frac{13}{8}-frac{15}{2}=frac{13}{8}-frac{60}{8}=-frac{47}{8}$

Answer 2

13/8-15/2=13/8-60/8=47/8

Answer 3

13/8 - 15/2 = 13/8 - 60/8 = - 47/8 = - 5 7/8.