Question

2-12分之5-36分之11 4分之5-(4分之3-6分之1) 4分之5-(15分之4+3分之1

Answer 1

2-12分之5-36分之11

=2-15/36-11/36

=1+10/36

=1又18分之5；

4分之5-(4分之3-6分之1)

=5/4-3/4+1/6

=2/4+1/6

=3/6+1/6

=4/6

=2/3;

4分之5-(15分之4+3分之1

=12/15-4/15-5/15

=3/15

=1/5;

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