There are two things you have to do:
(A) convert the mixed fraction one and one-third into a simple fraction
(B) add two ninths
(A)
"One and one-third" = 1 + 1/3
Substitute 1 = 3/3:
1 + 1/3 = 3/3 + 1/3
you can add numerators with a common denominator
3/3 + 1/3 = 4/3
(B)
4/3 + 2/9
need common demonitator of 9
= (3/3)(4/3) + 2/9
= 12/9 + 2/9
now can add numerators w/ common denom.
= 14/9
Final answer
...unless "no improper fractions," in which case the final answer is
14/9 = 9/9 + 5/9 = 1 + 5/9 = "One and five-ninths."
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