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To solve a problem like this with fractions you first want to find a common denominator (bottom number). Your lowest common denominator would be 10. Since 7/10 already has a denominator of 10, you only need to convert 4/5. to get 10 as the denominator we multiply the current denominator by 2 but to keep the fraction even you must also multiply the top by 2, which will result in 8. then solve

8/10 - 7/10 = 1/10

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11y ago

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