Ursula wrote the sum 5.815 plus 6.021 as a sum of two mixed numbers.
a. what sum did she write?
b. compare the sum of the mixed numbers to the sum of the decimals.

Sum of 5.815 + 6.021 = Mixed NumbersLet’s convert decimal numbers to mixed numbers
=>5.815 the decimal is .815 and 6.021 the decimal is .021
=> .815/1000
=> .021/1000
So the sum she wrote is:
=> 5 815/1000 + 6 021/1000 = 11 836/1000 in mixed numbers

Compare the sum of Mix number to the sum of the decimals
 Mixed numbers Sum = 11 836/1000
Decimal numbers Sum = 11.836