step 1
Convert mixed number to an improper fraction
so
2 1/4=2+1/4=9/4
2 1/6=2+1/6=13/6
step 2
Adds the fractions
9/4 + 13/6=(6*9+4*13)/24=106/24
step 3
Convert to mixed number the result
106/24=96/24+10/24=4+10/24=4+5/12=4 5/12
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