Answer:
7/40
Explanation:
To subtract 2 fractions, we can use the following equation:
[tex]\frac{a}{b}-\frac{c}{d}=\frac{(a\times d)-(b\times c)}{(b\times d)}[/tex]Then, 5/8 - 9/20 will be equal to:
[tex]\frac{5}{8}-\frac{9}{20}=\frac{(5\times20)-(8\times9)}{8\times20}=\frac{100-72}{160}=\frac{28}{160}[/tex]Finally, simplify the fraction dividing by 4, so:
[tex]\frac{28}{160}=\frac{28\div4}{160\div4}=\frac{7}{40}[/tex]Therefore, the answer is 7/40
