olibry1999 olibry1999

15-12-2016
Mathematics

contestada

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

Respuesta :

15-12-2016

7/10 which could also be 0.7

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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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