olibry1999
olibry1999 olibry1999
  • 15-12-2016
  • Mathematics
contestada

what is 2/5 + 3/10 add and simplyfy ?

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naspn
naspn naspn
  • 15-12-2016
7/10 which could also be 0.7
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anonymoussuomynona
anonymoussuomynona anonymoussuomynona
  • 15-12-2016
2/5 +3/10.. The LCD for 5 and 10 is 20

5 x 4 = 20 so 2 x 4 = 8. 2/5 = 8/20
10 x 2 = 20 so 3 x 2 = 6. 3/10 = 6/20

6/20 + 8/20 = 14/20 = 7/10
Hope I helped. I'm pretty sure I'm right. :))



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