Question

12分之5＋8分之7减6分之5等于好多？ 要列算式

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Answer 1

12分之5＋8分之7减6分之5

5/12 + 7/8 - 5/6
= 10/24 + 21/24 - 20/24
= (10+21-20)/24
= 11/24

Answer 2

5/12+7/8-5/6
=10/24+21/24-20/24
=31/24-20/24
=11/24