First count the total flowers. 10 total, that is you bottom number or denominator. 5 red + 3 pink = 8
8/10 or 8 out of 10 chance.
Both numbers are divisible by 2.
8/2= 4 & 10/2= 5
4/5 chance in picking red or pinks flowers. You have an 80% chance which are pretty high odds.