Adding Mixed Numbers

Question 1:

4 \frac{1}{4} + 1 \frac{3}{7}

\frac{159}{28} = 5 \frac{19}{28}

Question 2:

4 \frac{3}{5} + 3 \frac{4}{7}

\frac{286}{35} = 8 \frac{6}{35}

Question 3:

1 \frac{4}{9} + 1 \frac{5}{7}

\frac{199}{63} = 3 \frac{10}{63}

Question 4:

2 \frac{1}{2} + 4 \frac{1}{4}

\frac{27}{4} = 6 \frac{3}{4}