Question

$frac{5}{16}+frac{3}{16}$
$frac{8}{15}-frac{4}{15}$
$7 frac{1}{7} + 3 frac{2}{7}$
$7 frac{3}{5} + frac{2}{5}$
$9 frac{13}{17} + 2$
$6 frac{2}{5} - 3$
$9 frac{5}{39} - 1 frac{1}{39}$
$1 - frac{3}{4}$

Answer 1

1) 5/16+3/16=8/16=1/2
2) 8/15-4/15=2/15
3) 7 1/7+3 2/7=10 3/7
4) 7 3/5+2/5=7 5/5=6
5) 9 13/17+2=11 13/17
6) 6 2/5-3=3 2/5
7) 9 5/39-1 1/39=8 4/39
8) 1-3/4=4/4-3/4=1/4

Answer 2

так и быть :) отвечу
1)=8/16=1/2
2)=5/15=1/3
3)=$10 frac{3}{7}$
4)=8
5)=$11frac{13}{17}$
6)=$2frac{2}{5}$
7)=$8frac{4}{39}$
8)4/4-3/4=1/4