GROUDON GROUDON
  • 29-02-2016
  • Mathematics
contestada

7/8 - 3/20 can someone help please

Respuesta :

laura44 laura44
  • 29-02-2016
7/8-3/20=
LCM of denominators= 40
40÷8=5×7=35
40÷20=2×3=6
35/40-6/40= 29/40
=29/40
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