2+37+47= 2+\frac{3}{7}+\frac{4}{7}= 2+73+74=
First, we will find the sum of the fractions:
37+47=3+47=77=1 \frac{3}{7}+\frac{4}{7}=\frac{3+4}{7}=\frac{7}{7}=1 73+74=73+4=77=1
Now we get the exercise:
2+1=3 2+1=3 2+1=3
3 3 3