Suma y resta de números mixtos: Encontrando un denominador común multiplicando los denominadores

$5\frac{2}{3}+1\frac{2}{5}=$

$7\frac{1}{15}$

$9\frac{1}{2}+2\frac{1}{3}=$

$11\frac{5}{6}$

$2\frac{1}{3}+1\frac{1}{4}=$

$3\frac{7}{12}$

$4\frac{2}{3}+1\frac{1}{4}=$

$5\frac{11}{12}$

$6\frac{1}{9}+2\frac{1}{2}=$

$8\frac{11}{18}$

$5\frac{1}{2}+2\frac{3}{5}=$

$8\frac{1}{10}$

$6\frac{1}{4}+1\frac{3}{5}=$

$7\frac{17}{20}$

$3\frac{1}{2}+5\frac{4}{5}=$

$9\frac{3}{10}$

$10\frac{1}{2}+5\frac{1}{5}=$

$15\frac{7}{10}$

$2\frac{3}{5}+4\frac{1}{6}=$

$6\frac{23}{30}$

$8\frac{3}{4}+1\frac{1}{5}=$

$9\frac{14}{20}$

$6\frac{4}{6}+2\frac{1}{5}=$

$8\frac{26}{30}$

$3\frac{2}{9}+5\frac{3}{4}=$

$8\frac{35}{36}$

$2\frac{1}{2}+3\frac{1}{7}=$

$5\frac{9}{14}$