Ayuda xf lo necesito 7 / 8(3 / 4 + 5 / 6) + 6 / 5(3 / 4 - 1 / 2)?

Respuesta : 1 Simplifica \ frac{3}{4} + \ frac{5}{6}43 + 65 a \ frac{19}{12}1219 .

\ frac{7}{8} \ times \ frac{19}{12} + \ frac{6}{5}( \ frac{3}{4} - \ frac{1}{2})87 ×1219 + 56 (43 −21 )2 Simplifica \ frac{3}{4} - \ frac{1}{2}43 −21 a \ frac{1}{4}41 .

\ frac{7}{8} \ times \ frac{19}{12} + \ frac{6}{5} \ times \ frac{1}{4}87 ×1219 + 56 ×41 3 Usa esta regla : \ frac{a}{b} \ times \ frac{c}{d} = \ frac{ac}{bd}ba ×dc = bdac .

\ frac{7 \ times 19}{8 \ times 12} + \ frac{6}{5} \ times \ frac{1}{4}8×127×19 + 56 ×41 4 Simplifica 7 \ times 197×19 a 133133.

\ frac{133}{8 \ times 12} + \ frac{6}{5} \ times \ frac{1}{4}8×12133 + 56 ×41 5 Simplifica 8 \ times 128×12 a 9696.

\ frac{133}{96} + \ frac{6}{5} \ times \ frac{1}{4}96133 + 56 ×41 6 Usa esta regla : \ frac{a}{b} \ times \ frac{c}{d} = \ frac{ac}{bd}ba ×dc = bdac .

\ frac{133}{96} + \ frac{6 \ times 1}{5 \ times 4}96133 + 5×46×1 7 Simplifica 6 \ times 16×1 a 66.

\ frac{133}{96} + \ frac{6}{5 \ times 4}96133 + 5×46 8 Simplifica 5 \ times 45×4 a 2020.

\ frac{133}{96} + \ frac{6}{20}96133 + 206 9 Simplifica \ frac{6}{20}206 a \ frac{3}{10}103 .

\ frac{133}{96} + \ frac{3}{10}96133 + 103 10 Simplifica.

\ frac{809}{480}480809.