1.(-7/8+8/9
2.4/7+(5/12)
3.-(3/7)+(-2/3)
4.3/8+3/12
5.(-3/4)+2/15
6.6/11+(-3/4)
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4
Answer:
- 1/72
- 83/84
- -23/21
- -37/60
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