Fractions - Add/Subtract/Multiply/Divide Revision!

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•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a fraction?
Back
A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).
2.
FLASHCARD QUESTION
Front
How do you add fractions with the same denominator?
Back
To add fractions with the same denominator, keep the denominator the same and add the numerators. For example, \( \frac{a}{c} + \frac{b}{c} = \frac{a+b}{c} \).
3.
FLASHCARD QUESTION
Front
How do you add fractions with different denominators?
Back
To add fractions with different denominators, find a common denominator, convert the fractions, and then add the numerators. For example, \( \frac{a}{b} + \frac{c}{d} = \frac{a \cdot d + b \cdot c}{b \cdot d} \).
4.
FLASHCARD QUESTION
Front
What is the process for subtracting fractions?
Back
The process for subtracting fractions is similar to adding: if the denominators are the same, subtract the numerators; if they are different, find a common denominator first.
5.
FLASHCARD QUESTION
Front
How do you multiply fractions?
Back
To multiply fractions, multiply the numerators together and the denominators together. For example, \( \frac{a}{b} \times \frac{c}{d} = \frac{a \cdot c}{b \cdot d} \).
6.
FLASHCARD QUESTION
Front
How do you divide fractions?
Back
To divide fractions, multiply by the reciprocal of the second fraction. For example, \( \frac{a}{b} \div \frac{c}{d} = \frac{a}{b} \times \frac{d}{c} \).
7.
FLASHCARD QUESTION
Front
What does it mean to simplify a fraction?
Back
Simplifying a fraction means reducing it to its lowest terms, where the numerator and denominator have no common factors other than 1.
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