Seudónimo
Seudónimo
18-09-2017
Mathematics
contestada
Please explain how this works
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coolstick
coolstick
18-09-2017
Adding them up, we have 1/2+3/20+2/5+4/5. We can do a bit of guess and checking to see that 2, 5, and 20 go into 20. 20/2=10 and 20/5=4, so we multiply 1/2 by 10/10 and 2/5 and 4/5 by 4/4 to get 10/20+3/20+8/20+16/20= 37/20
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