1.)
[tex]4 \frac{1}{4} + 3 \frac{1}{4} \\ = \frac{17}{4} + \frac{13}{4} \\ = \frac{30}{4} \\ = \frac{15}{2} \\ = 7 \frac{1}{2} [/tex]
2.)
[tex]5 \frac{7}{8} + 2 \frac{5}{8} \\ = \frac{47}{8} + \frac{21}{8} \\ = \frac{68}{8} \\ = \frac{17}{2} \\ = 8 \frac{1}{2} [/tex]
Hope it helps and is useful :)
