Fraction, Decimal, Percentage and Ratio

                            Hello everyone now the questions are more difficult!    

	Mixed Fraction	Improper Fraction	Decimal	Percentage	Ratio
1	5 2/5
2		17/4
3					42:25
4			2.5
5				320%
6	2 9/10

                             Clues will be at the back as usual.






 Clue:

Mixed Fraction	Improper Fraction
1 2/3	1 * 3 + 2       5                  3        =  3
21 / 5 = 4r1                      4 1/5	21                         5