82/2 divided by 81/4
82/2 ÷ 81/4
=
164
81
Step-by-Step Solution
-
1Take reciprocal of second fraction81/4 becomes 4/81
-
2Multiply by reciprocal82/2 × 4/81
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3Multiply numerators & denominators82 × 4 = 328 2 × 81 = 162
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4Simplify328/162 = 164/81
How to Divide Fractions
To divide fractions, use "Keep, Change, Flip": keep the first fraction unchanged, change the ÷ to ×, then flip the second fraction. Multiply and simplify.