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4 11/20

is the same as 4(20)/20 + 11/20

is the same as 80/20 +11/20

is the same as 91/20

You get this by multiplying 4 by 20 toand put the anser over 20 to convert it to 20ths. Next, you add the 11 twentieths. That sum (91) is the total 20ths in four and eleven twentieths.

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14y ago

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