Respuestas

  • Usuario de Brainly
2014-01-02T14:44:31+01:00
A) 4/7 - 1/7 = 3/7

b) 5/8 - 1/8 = 4/8 = 1/2

c) 3/2 - 4/5 = 15/10 - 8/15 = 7/15

d) 7/9 - 4/15 = 35/45 - 15/45 = 20/45 = 4/9