What is 4/5 + 1/8 ? add and simplify

+ 

First, find the least common denominator (LCD) of the two fractions. 
5: 5, 10, 15, 20, 25, 30, 35, 40
8: 8, 16, 24, 32, 40
The LCD is 40.
Second, make the denominators the same as the LCD. / Your problem should look like:  +  
Third, simplify so that the denominators are the same. / Your problem should look like:  + 
Fourth, join the denominators. / Your problem should look like: 
Fifth, simplify. / Your problem should look like: 

Answer as fraction: 
Answer as decimal: 0.925

Hello!
volume of sphere =4/3.pi.r^3