1) 3 1/9 = 28/2 11/12 = 35/17 8/3 = 23/3
28/9 - 2.875 + 35/12 - 23/= (112/36) - (104/36) + (105/36) - (276/36= (112 - 104 + 105 - 276) / 3= (37 - 380) / 3= -343 / 3= -9 19/36
2) 3 9/16 = 63/14 1/8 = 33/8
63/16 - 5.25 - 33/8 + 4.812= (252/64) - (132/64) - (264/64) + (386/80= (252 - 396 - 528 + 484) / 8= (685 - 924) / 8= -239 / 8= -2 159/80
3) 16 19/30 = 499/33 2/3 = 11/1 1/6 = 7/6
-19.8 + 499/30 - 11/3 + 7/= -198/10 + 499/30 - 110/30 + 35/3= (-594 + 499 - 110 + 35) / 3= (-770 + 534) / 3= -236 / 3= -7 26/3= -8 26/3= -9 26/3= -9 13/15
1) 3 1/9 = 28/
2 11/12 = 35/1
7 8/3 = 23/3
28/9 - 2.875 + 35/12 - 23/
= (112/36) - (104/36) + (105/36) - (276/36
= (112 - 104 + 105 - 276) / 3
= (37 - 380) / 3
= -343 / 3
= -9 19/36
2) 3 9/16 = 63/1
4 1/8 = 33/8
63/16 - 5.25 - 33/8 + 4.812
= (252/64) - (132/64) - (264/64) + (386/80
= (252 - 396 - 528 + 484) / 8
= (685 - 924) / 8
= -239 / 8
= -2 159/80
3) 16 19/30 = 499/3
3 2/3 = 11/
1 1/6 = 7/6
-19.8 + 499/30 - 11/3 + 7/
= -198/10 + 499/30 - 110/30 + 35/3
= (-594 + 499 - 110 + 35) / 3
= (-770 + 534) / 3
= -236 / 3
= -7 26/3
= -8 26/3
= -9 26/3
= -9 13/15