SIMPLIFICAR FRACCIONES:
https://drive.google.com/open?id=1bBTm0RUeo02ILoPaF1NW-W9Dpt7aiASmbGgmphNVwJ0
ARCO AMPLIFICAR FRACCIONES:
https://drive.google.com/open?id=1rUBcVBUX-6_Knv6VqcNKxxREn3kgTb_r8ne8UcQkNPA
ARCO QUEBRADOS SUMA 1:
https://drive.google.com/open?id=1jOCiSX5b2skWSQ9lXPDFZO7dzaZOKCWumX2b61d8-bg
ARCO QUEBRADOS SUMA 2:
https://drive.google.com/open?id=1Pja80s62hjC71PobpKbxj_N_bqjqFswPzfbXjnqGb3E
ARCO QUEBRADOS RESTA 2:
https://drive.google.com/open?id=1RlFAPQTlHfEIbZ2of4HoLbQ5PDiYJjIBtjJCxW8yXMc
ARCO QUEBRADOS MULTIPLICACIÓN 1:
https://drive.google.com/open?id=1qW9j_OdxH42uM6c37BZ4bD4L_5q7ce1aRFPAmb5fWF8
ARCO QUEBRADOS DIVISIÓN 1:
https://drive.google.com/open?id=1JAbNsYwXm3SjAhSO16KMF8mpUuFn5cPB76YLuP5rNOo