Respuestas
Respuesta dada por:
39
Diez ejemplos de resta de números racionales:
![1) \frac{3}{4} - \frac{2}{4} = \frac{3-2}{4} = \frac{1}{4} 1) \frac{3}{4} - \frac{2}{4} = \frac{3-2}{4} = \frac{1}{4}](https://tex.z-dn.net/?f=+1%29+%5Cfrac%7B3%7D%7B4%7D+-++%5Cfrac%7B2%7D%7B4%7D+%3D++%5Cfrac%7B3-2%7D%7B4%7D+%3D++%5Cfrac%7B1%7D%7B4%7D+)
![2) \frac{3}{5} - \frac{1}{10}= \frac{10:5.3 - 10 : 10 . 1}{10} = \frac{6-1}{10} = \frac{5}{10} = \frac{1}{2} 2) \frac{3}{5} - \frac{1}{10}= \frac{10:5.3 - 10 : 10 . 1}{10} = \frac{6-1}{10} = \frac{5}{10} = \frac{1}{2}](https://tex.z-dn.net/?f=2%29++%5Cfrac%7B3%7D%7B5%7D+-++%5Cfrac%7B1%7D%7B10%7D%3D++%5Cfrac%7B10%3A5.3+-+10+%3A+10+.+1%7D%7B10%7D++%3D++%5Cfrac%7B6-1%7D%7B10%7D+%3D++%5Cfrac%7B5%7D%7B10%7D+%3D++%5Cfrac%7B1%7D%7B2%7D+)
![3) \frac{17}{21} - \frac{2}{21} = \frac{17-2}{21} = \frac{15}{21} = \frac{5}{7} 3) \frac{17}{21} - \frac{2}{21} = \frac{17-2}{21} = \frac{15}{21} = \frac{5}{7}](https://tex.z-dn.net/?f=3%29++%5Cfrac%7B17%7D%7B21%7D+-++%5Cfrac%7B2%7D%7B21%7D+%3D++%5Cfrac%7B17-2%7D%7B21%7D+%3D+%5Cfrac%7B15%7D%7B21%7D+%3D++%5Cfrac%7B5%7D%7B7%7D+)
![4) \frac{4}{2} - \frac{7}{10} - \frac{1}{5} = \frac{10:2.4 - 10 : 10 .7 - 10 : 5 . 1}{10} = \frac{20-7-2}{10} = \frac{11}{10} 4) \frac{4}{2} - \frac{7}{10} - \frac{1}{5} = \frac{10:2.4 - 10 : 10 .7 - 10 : 5 . 1}{10} = \frac{20-7-2}{10} = \frac{11}{10}](https://tex.z-dn.net/?f=4%29++%5Cfrac%7B4%7D%7B2%7D+-++%5Cfrac%7B7%7D%7B10%7D+-++%5Cfrac%7B1%7D%7B5%7D+%3D++%5Cfrac%7B10%3A2.4+-+10+%3A+10+.7+-+10+%3A+5+.+1%7D%7B10%7D+%3D++%5Cfrac%7B20-7-2%7D%7B10%7D+%3D++%5Cfrac%7B11%7D%7B10%7D+)
![5) \frac{90}{7} - \frac{5}{7} = \frac{90-5}{7} = \frac{85}{7} 5) \frac{90}{7} - \frac{5}{7} = \frac{90-5}{7} = \frac{85}{7}](https://tex.z-dn.net/?f=5%29++%5Cfrac%7B90%7D%7B7%7D+-++%5Cfrac%7B5%7D%7B7%7D+%3D++%5Cfrac%7B90-5%7D%7B7%7D+%3D++%5Cfrac%7B85%7D%7B7%7D+)
![6) \frac{30}{7} - \frac{3}{5} = \frac{35:7.30 - 35 : 5 . 3 }{35} = \frac{150-21}{35} = \frac{129}{35} 6) \frac{30}{7} - \frac{3}{5} = \frac{35:7.30 - 35 : 5 . 3 }{35} = \frac{150-21}{35} = \frac{129}{35}](https://tex.z-dn.net/?f=6%29++%5Cfrac%7B30%7D%7B7%7D+-++%5Cfrac%7B3%7D%7B5%7D+%3D++%5Cfrac%7B35%3A7.30+-+35+%3A+5+.+3+%7D%7B35%7D+%3D++%5Cfrac%7B150-21%7D%7B35%7D+%3D++%5Cfrac%7B129%7D%7B35%7D+)
![7) \frac{10}{6} - \frac{12}{6} - \frac{30}{6} = \frac{10-12-30}{6}= \frac{-32}{6} = \frac{-16}{3} 7) \frac{10}{6} - \frac{12}{6} - \frac{30}{6} = \frac{10-12-30}{6}= \frac{-32}{6} = \frac{-16}{3}](https://tex.z-dn.net/?f=+7%29+%5Cfrac%7B10%7D%7B6%7D+-++%5Cfrac%7B12%7D%7B6%7D+-++%5Cfrac%7B30%7D%7B6%7D+%3D++%5Cfrac%7B10-12-30%7D%7B6%7D%3D++%5Cfrac%7B-32%7D%7B6%7D+%3D++%5Cfrac%7B-16%7D%7B3%7D+)
![8) \frac{3}{9} - \frac{5}{2} = \frac{18:9.3 - 18 : 2 . 5}{18} = \frac{6-45}{18} = \frac{-39}{18} = \frac{-13}{6} 8) \frac{3}{9} - \frac{5}{2} = \frac{18:9.3 - 18 : 2 . 5}{18} = \frac{6-45}{18} = \frac{-39}{18} = \frac{-13}{6}](https://tex.z-dn.net/?f=8%29+++%5Cfrac%7B3%7D%7B9%7D++-++%5Cfrac%7B5%7D%7B2%7D+%3D++%5Cfrac%7B18%3A9.3+-+18+%3A+2+.+5%7D%7B18%7D+%3D++%5Cfrac%7B6-45%7D%7B18%7D+%3D++%5Cfrac%7B-39%7D%7B18%7D+%3D++%5Cfrac%7B-13%7D%7B6%7D+)
![9) \frac{48}{8} - \frac{40}{8} = \frac{48-40}{8} = \frac{8}{8} = \frac{1}{1} = 1 9) \frac{48}{8} - \frac{40}{8} = \frac{48-40}{8} = \frac{8}{8} = \frac{1}{1} = 1](https://tex.z-dn.net/?f=9%29++%5Cfrac%7B48%7D%7B8%7D+-++%5Cfrac%7B40%7D%7B8%7D+%3D++%5Cfrac%7B48-40%7D%7B8%7D+%3D++%5Cfrac%7B8%7D%7B8%7D+%3D++%5Cfrac%7B1%7D%7B1%7D+%3D+1)
![10) \frac{300}{100} - \frac{2}{10} = \frac{100:100.300 - 100:10 . 2}{100} = \frac{300-20}{100} = \frac{280}{100} = \frac{28}{10} = \frac{14}{5} 10) \frac{300}{100} - \frac{2}{10} = \frac{100:100.300 - 100:10 . 2}{100} = \frac{300-20}{100} = \frac{280}{100} = \frac{28}{10} = \frac{14}{5}](https://tex.z-dn.net/?f=10%29++%5Cfrac%7B300%7D%7B100%7D+-++%5Cfrac%7B2%7D%7B10%7D+%3D++%5Cfrac%7B100%3A100.300+-+100%3A10+.+2%7D%7B100%7D+%3D++%5Cfrac%7B300-20%7D%7B100%7D+%3D++%5Cfrac%7B280%7D%7B100%7D+%3D++%5Cfrac%7B28%7D%7B10%7D+%3D+%5Cfrac%7B14%7D%7B5%7D+)
Preguntas similares
hace 6 años
hace 9 años
hace 9 años
hace 9 años
hace 9 años