Question

is 4/20 less than or greater than 4/5

Answer 1

4/5  is the same amount as  16/20 .

When you look at it that way,  4/5  is definitely bigger than  4/20 .

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Another method:

4/20  is the same amount as  1/5 .

When you look at it that way,  4/20  is definitely less than  4/5 .