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Unformatted text preview: o Find a least common denominator using method for LCM o Change the numerators of each fraction o Add or subtract the numerators (keep denominator unchanged) o Reduce Examples: 1. = + 27 2 18 7 2. = + 27 1 15 11 Math 1300 Section 1.3 Notes 4 Multiplying and Dividing Fractions: o Simplify the fractions if not in lowest terms. o Multiply the numerators of the fractions to get the new numerator. o Multiply the denominators of the fractions to get the new denominator. Examples: 1. 3 2 5 1 × 2. = × 3 2 8 5 Dividing Fractions: o Multiply the first fraction by the reciprocal of the second Examples: 1. = ÷ 7 6 2 3 2. = ÷ 8 9 4...
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 Spring '08
 Staff
 Math, Factors, Elementary arithmetic, Greatest common divisor, prime factors

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