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Drupady [299]
3 years ago
9

Please explain how this works

Mathematics
1 answer:
Bas_tet [7]3 years ago
4 0
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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