Answer:
[tex]5 \frac{5}{14} [/tex]
Step-by-step explanation:
[tex]3 \frac{5}{7} + 1 \frac{9}{14} [/tex]
Turn them into improper fractions
[tex] \frac{26}{7} + \frac{23}{14} [/tex]
[tex] \frac{2}{2} \times \frac{26}{7} + \frac{23}{14} [/tex]
[tex] \frac{52 + 23}{14} [/tex]
[tex] \frac{75}{14} [/tex]
Turn it into a mixed fraction
[tex]5 \frac{5}{14} [/tex]