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प्रश्न
Subtract:
`(- 6)/25 "from" (-8)/5`
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उत्तर
`(- 6)/25 "from" (-8)/5`
This means: `(-8)/5 - (-6)/25`
Subtracting a negative is equivalent to addition:
`(-8)/5 - (-6)/25 = (-8)/5 + 6/25`
The least common denominator (LCD) of 5 and 25 is 25. Rewrite the fractions with a denominator of 25:
`(-8)/5 = (-8xx5)/(5xx5) = (-40)/25`
Now the expression becomes: `(-40)/25 + 6/25`
Add the numerators: `(-40)/25 + 6/25 = (-40+6)/25 = (-34)/25`
`(-34)/25`
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What rational number should be subtracted from `5/8` to get `8/5`.
