Answer :
Its actually a mixed number that is 1 1/20 since you can reduce it from 1 5/100
[tex] \frac{105}{100} = \frac{105:5}{100:5} = \frac{21}{20} \ or \ \frac{105}{100} = 1 \frac{5}{100}=1 \frac{5:5}{100:5} = 1 \frac{1}{20} [/tex]