76/81*80/76 how to solve mentally

asked Jan 25, 2023 74.6k views

19 votes

by Zword

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6 votes

Answer:

(80)/(81)

Explanation:

The cross numerator and denominator of 76 can be crossed out leaving out simply.

$(76)/(81) *(80)/(76)\\(1)/(81) *(80)/(1)=(80)/(81)$

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