3/5+4/5*3/7+6/7 Решите плиз

Question

3/5+4/5*3/7+6/7
Решите плиз

Answer 1

1)4/5*3/7=12/35
2)3/5+12/35=33/35
3)33/35+6/7=1,8

Answer 2

1)4/5*3/7=12/35
2)3/5+12/35=21/35+12/35=33/35
3)33/35+6/7=33/35+30/35=63/35=1 28/35=1 4/5