-5⅜+45\6-(-2¼)помогите

1)-5 3/8 + 45/ 6 = 45/ 6 - (-5 3 /8 ) = -5 + 45/6 - 3/ 8 = -5 - 45·4/ 6·4 - 3·3 /8·3 = -5 + 180/ 24 - 9/ 24 = -5 + 180 - 9/ 24 = -5 + 171/ 24 = - 5·24/ 24 + 171 /24 = 51 /24 = 17·3 /8·3 = 17/ 8 = 1 + 2·8 /8 = 2 1/ 8 .2)2 1/ 8 - (-2 1/ 4 ) = 2 1 /8 + 2 1 /4 = 4 + 1/ 8 + 1/ 4 = 4 + 1·1/ 8·1 + 1·2 /4·2 = 4 + 1/ 8 + 2 /8 = 4 + 1/ + 2 /8 = 4 3 /8 . -5⅜+45\\6-(-2¼) = 4 3 /8.