1) 3 5/6 5/6 + 2 7/11 5/6 - 2/3 3 2/7 + 2/3 2 5/7= 19/6 5/6 + 25/11 5/6 - 2/3 23/7 + 2/3 19/7= 95/36 + 125/66 - 46/21 + 38/21= 5940/2376 + 2376/2376 - 5088/2376 + 4536/2376= (5940 + 2376 - 5088 + 4536) / 2376= 9764 / 2376= 4077/792
2) 14/5 3/7 - 14/27 5/7 + 14/27 * 3= 42/35 - 70/189 + 42/27= 252/189 - 70/189 + 126/189= (252 - 70 + 126) / 189= 308/189= 52/31
3) 10 5/6 2 11/15 + 10 5/6 6 - 8 11/15 10 5/6= 65/6 107/15 + 65/6 6 - 67/5 65/6= 2149/90 + 65 - 847/30= 2149/90 + 29250/450 - 847/30= 2149/90 + 2149/90 - 847/30= 6447/90 - 847/30= 6447/90 - 2829/30= 6447/90 - 2829/30= 1803/10 - 2829/30= 803/30= 803/30
4) 12 1/7 25 + 25 1 4/25 - 25 12 1/7= 85/7 25 + 625/25 - 212/7= 2125/7 + 625/25 - 212/7= 2125/7 + 125/1 - 212/7= 2125/7 + 2125 - 212/7= 14875/7 - 212/7= 14663/7
1) 3 5/6 5/6 + 2 7/11 5/6 - 2/3 3 2/7 + 2/3 2 5/7
= 19/6 5/6 + 25/11 5/6 - 2/3 23/7 + 2/3 19/7
= 95/36 + 125/66 - 46/21 + 38/21
= 5940/2376 + 2376/2376 - 5088/2376 + 4536/2376
= (5940 + 2376 - 5088 + 4536) / 2376
= 9764 / 2376
= 4077/792
2) 14/5 3/7 - 14/27 5/7 + 14/27 * 3
= 42/35 - 70/189 + 42/27
= 252/189 - 70/189 + 126/189
= (252 - 70 + 126) / 189
= 308/189
= 52/31
3) 10 5/6 2 11/15 + 10 5/6 6 - 8 11/15 10 5/6
= 65/6 107/15 + 65/6 6 - 67/5 65/6
= 2149/90 + 65 - 847/30
= 2149/90 + 29250/450 - 847/30
= 2149/90 + 2149/90 - 847/30
= 6447/90 - 847/30
= 6447/90 - 2829/30
= 6447/90 - 2829/30
= 1803/10 - 2829/30
= 803/30
= 803/30
4) 12 1/7 25 + 25 1 4/25 - 25 12 1/7
= 85/7 25 + 625/25 - 212/7
= 2125/7 + 625/25 - 212/7
= 2125/7 + 125/1 - 212/7
= 2125/7 + 2125 - 212/7
= 14875/7 - 212/7
= 14663/7