Question

вычислите 2 1/5+ 3 2/3; 3 6/7-2 8/9; 2-1/3

Answer 1

2 1/5+3 2/3=2 3/15+3 10/15=5 13/15
3 6/7-2 8/9=3 54/63-2 56/63=2 117/63-2 56/63=61/63
2 1/3=1 2/3

Answer 2

спасибо