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-3/4 - 3/7

= (-3×7)/(4×7) - (3×4)/(7×4)

= -21/28 - 12/28

= -33/28

You need to add -33/28 = -1 5/28

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6y ago
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6y ago

The number which needs to be added is -33/48.

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Q: What rational number must be added to 3 upon 7 to get - 3 upon 4?
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