Question

5 4/15 - 1 2/3 =
12 : 3 1/3=
1 2/5 : 2/5 =
2 7/8 + 5/8 =
2 7/10 razy 1 1/3 =

Answer 1

5 4/5-1 2/3=5 4/15-5/3=5 4/15-25/15=79/15-25/15=54/15=3 9/15=3 3/5

12:3 1/3=12:10/3=12x3/10=36/10=3 6/10=3 3/5

1 2/5:2/5=7/5x5/2=7/2=3 1/2

2 7/8+5/8=2 12/8=3 4/8=3 1/2

2 7/10x1 1/3=27/10x4/3=9/5x2=18/5=3 3/5