you are adding
1 2/3 + 2 1/4
first these are mixed fractions lets change them to regular fractions
for 1 2/3 take the whole number and multiply by the denominator 3 and add the numerator, then that number over denominator 3 so
(1 x 3) +2 = 5/3
do that with 2 1/4
what did you get?