What is 20 divided by 2/5 + 25

20 / (2/5 + 25)          Given
20 / (2/5 + 25/1)       Make 25 a fraction
20 / (2/5 + 100/5)     Multiply 25/1 by 5 to get a common denominator of 5
20 / (102/5)              Combine like terms
20 * 5/102                Dividing fractions is multiplying their reciprocals
100/102                    Multiply
50/51                        Simplify

Answer of 20 / (2/5 + 25):
50/51

20 / 2/5 + 25       Given
20 * 5/2 + 25       Dividing fractions is multiplying their reciprocals
100/40 + 25         Multiply
5/2 + 25               Simplify the fraction
5/2 + 25/1            Make 25 a fraction
5/2 + 50/2            Multiply 25/1 by 2 to get a common denominator of 2
55/2                     Add

Answer to 20 / 2/5 + 25:
55/2

Hope this helps!