Seudónimo Seudónimo
  • 12-10-2016
  • Mathematics
contestada

3/8 + 4/5, 1 9/10 + 3/4, 2/8 + 6/12. All in simplest form.

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apologiabiology
apologiabiology apologiabiology
  • 12-10-2016
make all bottom same

3/8+4/5
8 and 5 is 40
3/8 times 5/5=15/40
4/5 times 8/8=32/40
15/40+32/40=47/40=1 and 7/40

1 and 9/10+3/4
1 and 9/10=10/10+9/10=19/10
4 and 10 are 20
19/10 times 2/2=39/20
3/4 times 5/5=15/20
38/20+15/20=53/20=2 and 13/20

2/8+6/12
1/4+1/2
4 and 2, common is 4
1/2 times 2/2=2/4
1/4+2/4=3/4
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Аноним Аноним
  • 12-10-2016
I hope this helps you
Ver imagen Аноним
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