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Question
Reduce to a single fraction:
`2/3 - 1/5 + 1/10`
Solution
`2/3 - 1/5 + 1/10`
`= (2 xx 10)/(3 xx 10) - (1 xx 6)/(5 xx 6) + (1 xx 3)/(10 xx 3)` (LCM of 3, 5, 10 = 30)
`= 20/30 - 6/30 + 3/30 = (20 - 6 + 3)/30`
`= (23 - 6)/30 = 17/30`
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