rearrange suitably and find the sum in each case
help to solve with explanation
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3/4+-2/5+-5/-12+2/3+5/-6
lcm=60
45/60+25/60+40/60+-50/60
60/60
1
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Answer:
The right answer is -7/30
Step-by-step explanation:
3/4+ -2/5+ - 5/-12 +2/3+5/-6
=3/4-2/5-5/12+2/3-5/6
=3×15/4×15-2×12/5×12-5×5/12×5+
2×20/3×20-5×10/6×10
=45/60-24/60-25/60+40/60-50/60
=85/60-99/60
= -14/60
= -7/30
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