2.3/4-(-1.1/2)+(-5/6)-(-3/8)-4.2/3=

Question

2.3/4-(-1.1/2)+(-5/6)-(-3/8)-4.2/3=

Answer 1

2ц3/4+1ц1/2=3ц5/4=4ц1/4; 2)4ц1/4+3/8=4ц5/8; 3)-5/6-4ц4/6=-4ц9/6=-5ц1/2; 4)4ц5/8-5ц1/2=-(5ц4/8-4ц5/8)=-7/8.