How do i do -1 1/2 - 2 4/7

Step-by-step explanation://

First you change your fractions to an improper fraction. so -3/2 and 18/7. Then you subtract the top and bottom which is -21/-5. a negative over a negative is a positive so it would be 21/5 then you can change it back to a mixed number. so your answer would be 4 1/5

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step-by-step explanation:

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