28/50 would be heads. To convert to percent, first multiply the denominator and numerator by 2 to make the denominator 100 (since a percent is a value per 100).
28/50= 56/100= 56%
22/50 would be tails so apply the same process.
22/50=44/100= 44%
Final answer:
Heads- 56%
Tails- 44%