Answer:
-43/60
Explanation:
-5/12 - 3/10
The lowest (least) common denominator is
60
To get from 12 -> 60 you multiply by 5
To get from 10 -> 60 you multiply by 6
-5 × 5 = -25
3 × 6 = 18
-25/60 - 18/60
-25 - 18
= -43
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