Question 109504
-10 7/16 - 2 3/16={{{(-10-7/16)-(2+3/16)=(-10-2)+(-7/16+3/16)}}}
-10 7/16 - 2 3/16={{{(-12)-((-7+3)/16)=-12-(-4/16)=-12+(4/16)=12+(4/4)/(16/4)}}}
-10 7/16 - 2 3/16={{{-12+(1/4)=(-48/4)+1/4=(-48+1)/(4)=-47/4}}}


Power up,
HyperBrain!