A recipe calls for 5/10 kilograms of flour and 9/100 kilograms of suger if Henry measures correctly and combines the two amounts how much flour and suger will he have in all?Explain your thinking then write the answer as a decimal PLEASE ANSWER NOW IM IN FOURTH GRADE

0.59
59/100 is written 0.59 in decimal form
In order to add, both numbers should have the same denominator:100
denominator is the number below the the line in a common factor, in other word the divisor. 5/10 is the same as 50/100(just multiply both numerator and denominator by 10)