The answer depends on how many were absent (or what the total should have been.
Find the greatest common factor (gcf) of 30 and 45: it is 15. Divide both 30 and 45 by their gcf. Thus: 30/45 = 2/3
As an improper fraction it is simply 30/1
30% turned into fraction = 30/100 or 3/10 30% = 30%/100% = 30/100 or 3/10 in fraction
30 percent to a fraction = 3/1030%= 30%/100%= 3/10 in fraction
12 as a fraction of 30 = 12/30 or 2/5
30 turned into fraction form = 30/1
fraction of 30 is 5 = 5/30 or 1/6
30% as a fraction is 3/100
30% = 3/10 as a fraction
First divide the amount in question by the denominator of the fraction. Then multiply your answer by the numerator of the fraction. For example: Find 4/5 of £30. 1/5 = 30/5 = £6 So 4/5 of £30 = 4 x £6 = £24
5/6 x 36 = 30
Remember: Every number is over 1 as a fraction. So, 30 is 30 over 1 as a fraction.