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प्रश्न
Simplify: `"2b"/5 - "7b"/15 + "13b"/3`
योग
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उत्तर
`"2b"/5 - "7b"/15 + "13b"/3` ....(LCM of 3,5,15 = 15)
`= ("6b" - "7b" + "65b")/15`
`= (71"b" - "7b")/15`
`= "64b"/15`
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