5 * 3/10?
If this is correct then this is pretty easy...
Because 5/1 = 5 we can make it 5/1 to make multiplication easier.
5/1 * 3/10
5*3=15
1*10=10
The answer is 15/10.
15 and 10 are both divisible by three.
The reduced answer is 3/2.
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