Subtracting Mixed Numbers by Boxed Rockets

Subtracting Mixed Numbers

4 \frac{9}{10} - 2 \frac{1}{4}

\frac{53}{20} = 2 \frac{13}{20}

4 \frac{5}{8} - 4 \frac{3}{7}

\frac{11}{56}

3 \frac{1}{7} - 2 \frac{1}{2}

\frac{9}{14}

2 \frac{1}{2} - 1 \frac{3}{4}

\frac{3}{4}