ISEE Middle Level Math : How to subtract fractions

Study concepts, example questions & explanations for ISEE Middle Level Math

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Example Questions

Example Question #21 : How To Subtract Fractions

Possible Answers:

Correct answer:

Explanation:

Subtract the numerators and keep the denominator the same:

Answer: 

 

Example Question #22 : How To Subtract Fractions

Subtract: 

Possible Answers:

Correct answer:

Explanation:

To solve, subtract the numerators and leave the denominators the same:

Answer: 

Example Question #23 : How To Subtract Fractions

Subtract:

Possible Answers:

Correct answer:

Explanation:

Subtract the numerators and keep the denominator the same:

Answer: 

Example Question #24 : How To Subtract Fractions

Solve:

Possible Answers:

Correct answer:

Explanation:

The least common denominator between and is

Example Question #21 : How To Subtract Fractions

Solve the equation:

Possible Answers:

Correct answer:

Explanation:

When subtracting fractions that have the same denominator, only the top numbers are subtracted. Subtract the numerators and leave the denominators the same:

Answer: 

Example Question #21 : How To Subtract Fractions

Subtract:

Possible Answers:

Correct answer:

Explanation:

Subtract the numerators and keep the denominators the same:

Reduce the fraction: 

Reduce again: 

Example Question #23 : How To Subtract Fractions

Solve:

Possible Answers:

Correct answer:

Explanation:

The lowest common denominator of 2 and 7 is 14.

Example Question #28 : How To Subtract Fractions

Subtract:

Possible Answers:

Correct answer:

Explanation:

Subtract the numerators and leave the denominators the same:

Answer: 

Example Question #29 : How To Subtract Fractions

Subtract:

Possible Answers:

Correct answer:

Explanation:

Subtract the numerators and leave the denominators the same:

Answer: 

Example Question #30 : How To Subtract Fractions

Solve for the expression below. 

Possible Answers:

Correct answer:

Explanation:

In order to subtract fractions, the least common denominator must be found for the denominator. The least common denominator of 3 and 7 is 21. Therefore, the fractions should be converted accordingly:

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