1) 11 2/7 + 4 3/7 - 6 4/7= 11+4−611 + 4 - 611+4−6 + 2/7+3/7−4/72/7 + 3/7 - 4/72/7+3/7−4/7 = 9 + 5/7−4/75/7 - 4/75/7−4/7 = 9 + 1/7= 9 1/7
2) 26 7/19 - 13 4/19 + 5 2/19= 26−13+526 - 13 + 526−13+5 + 7/19−4/19+2/197/19 - 4/19 + 2/197/19−4/19+2/19 = 18 + 5/195/195/19 = 18 5/19
3) 44 2/9 + 8 5/9 - 7/9= 44+844 + 844+8 + 2/9+5/9−7/92/9 + 5/9 - 7/92/9+5/9−7/9 = 52 + 000 = 52
4) 5 7/10 + 3 9/10 + 1 3/10= 5+3+15 + 3 + 15+3+1 + 7/10+9/10+3/107/10 + 9/10 + 3/107/10+9/10+3/10 = 9 + 19/1019/1019/10 = 9 9/10
5) 3 17/100 - 2 13/100 - 1= 3−2−13 - 2 - 13−2−1 + 17/100−13/10017/100 - 13/10017/100−13/100 = 0 + 4/1004/1004/100 = 4/100= 1/25
6) 8 - 4 31/100 - 2 57/100= 8 - 4+31/100+2+57/1004 + 31/100 + 2 + 57/1004+31/100+2+57/100 = 8 - 6 - 88/10088/10088/100 = 2 - 88/100= 1 12/25
1) 11 2/7 + 4 3/7 - 6 4/7
= 11+4−611 + 4 - 611+4−6 + 2/7+3/7−4/72/7 + 3/7 - 4/72/7+3/7−4/7 = 9 + 5/7−4/75/7 - 4/75/7−4/7 = 9 + 1/7
= 9 1/7
2) 26 7/19 - 13 4/19 + 5 2/19
= 26−13+526 - 13 + 526−13+5 + 7/19−4/19+2/197/19 - 4/19 + 2/197/19−4/19+2/19 = 18 + 5/195/195/19 = 18 5/19
3) 44 2/9 + 8 5/9 - 7/9
= 44+844 + 844+8 + 2/9+5/9−7/92/9 + 5/9 - 7/92/9+5/9−7/9 = 52 + 000 = 52
4) 5 7/10 + 3 9/10 + 1 3/10
= 5+3+15 + 3 + 15+3+1 + 7/10+9/10+3/107/10 + 9/10 + 3/107/10+9/10+3/10 = 9 + 19/1019/1019/10 = 9 9/10
5) 3 17/100 - 2 13/100 - 1
= 3−2−13 - 2 - 13−2−1 + 17/100−13/10017/100 - 13/10017/100−13/100 = 0 + 4/1004/1004/100 = 4/100
= 1/25
6) 8 - 4 31/100 - 2 57/100
= 8 - 4+31/100+2+57/1004 + 31/100 + 2 + 57/1004+31/100+2+57/100 = 8 - 6 - 88/10088/10088/100 = 2 - 88/100
= 1 12/25