Question

Выполни сложение смешанных чисел: 3 1/2+ 1 5/6; 8 3/4+ 2 7/8; 6 1/5+1 2/3; 3 4/5-2 3/5; 4 5/6- 2 5/12; 7 5/6-4 2/3. !

Answer 1

3 1/2+ 1 5/6=7/2+11/6=21/6+11/6=32/6=5 2/6=5 1/3
8 3/4+ 2 7/8=35/4+23/8=70/8+23/8=93/8=11 5/8
 6 1/5+1 2/3=31/5+5/3=93/15+25/15=118/15=7 13/15
 3 4/5-2 3/5=19/5-13/5=6/5=1 1/5
 4 5/6- 2 5/12=29/6-29/12=58/12-29/12=29/12=2 5/12
 7 5/6-4 2/3=47/6-14/3=47/6-28/6=19/6=3 1/6

Answer 2

$3 \frac{1}{2} + 1 \frac{5}{6} = \frac{7}{2} + \frac{11}{6}= \frac{32}{6}= \frac{16*2}{3*2} = \frac{16}{2} = 5 \frac{1}{3}$