Decimals and Fractions

0.01 means 1 out of 100, which is written as the fraction $\frac{1}{100}$.

0.4 is $4/10$ as a fraction, and simplifying $4/10$ by dividing the numerator and denominator by 2 gives $2/5$.

0.45 is $45/100$ as a fraction. Simplifying $45/100$ by dividing both the numerator and denominator by 5 gives $9/20$.

0.28 is $28/100$ as a fraction. Simplifying $28/100$ by dividing both the numerator and denominator by 4 gives $7/25$.

0.22 is $22/100$ as a fraction. Simplifying $22/100$ by dividing both the numerator and denominator by 2 gives $11/50$.

0.375 is $375/1000$ as a fraction. Simplifying $375/1000$ by dividing both the numerator and denominator by 125 gives $3/8$.