Question

【1-8分之7÷（6分之5+2分之1x3分之1）】÷12分之7

Answer 1

=[1-7/8÷(5/6+1/6)]÷7/12

=(1-7/8÷1)÷7/12

=(1-7/8)÷1/12

=1/8÷1/12

=1.5