SS Adding and Subtracting Fractions

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What is a fraction?

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A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number). For example, in the fraction 1/2, 1 is the numerator and 2 is the denominator.

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What does it mean to add fractions?

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Adding fractions involves combining the parts represented by the fractions. To add fractions with different denominators, you must first find a common denominator.

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What is a common denominator?

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A common denominator is a number that is a multiple of the denominators of two or more fractions. It allows you to add or subtract fractions easily.

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How do you find the least common denominator (LCD)?

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The least common denominator (LCD) is the smallest multiple that two or more denominators share. To find it, list the multiples of each denominator and identify the smallest one.

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What is an improper fraction?

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An improper fraction is a fraction where the numerator is greater than or equal to the denominator, such as 5/4 or 7/7.

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What is a mixed number?

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A mixed number is a whole number combined with a fraction, such as 2 1/3, which means 2 whole parts and 1/3 of another part.

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How do you convert an improper fraction to a mixed number?

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To convert an improper fraction to a mixed number, divide the numerator by the denominator. The quotient is the whole number, and the remainder becomes the new numerator over the original denominator.

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What is the process for subtracting fractions?

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To subtract fractions, ensure they have a common denominator, then subtract the numerators while keeping the denominator the same.

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