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Comparing Fractions 6/9 Mrs. Wolfe, grade 5 What is a fraction? A fraction is a number that represents PART of a whole 1 This whole pizza has 8 slices 8 3 7 4 6 Each slice represents 1/8 of the pizza 2 5 Comparing Fractions With Common Denominators Which fraction is larger? When two fractions have the same denominators, at the numerator to decide which one is larger. 3/8 or 6/8 When the denominators are the same, the fraction with the greater numerator is larger. at the shaded part of the pizza Which fraction is larger – 3/8 3/8 or 6/8? 6/8 When the denominators are the same, the fraction with the greater numerator is larger. Which fraction is larger? 8/12 or 5/12 0 9/15 or 3/15 2/4 or 3/4 1/7 or 6/7 0 0 0 1 1 1 1 Can you figure out which fraction is larger? 6/13 or 3/13 6/13 4/10 or 8/10 8/10 12/14 or 13/14 13/14 Comparing Fractions with The Same Numerator Which fraction is larger? When two fractions have different denominators, but both of the numerators are the same at the denominator. 1 1 or 2 8 Which would be larger- 1/2 a pizza or 1/8 of a pizza? Which fraction is larger – 1/8 or 1/2 ? 1 1 4 = 8 2 8 When two fractions have different denominators and the same numerator, then the fraction with the smallest denominator is the largest fraction. 0 1 0 1 Which fraction is larger – 1/2 or 1/8 ? Practice With Fractions That Have The Same Numerator Which fraction is larger? 1/8 or 1/7 1/7 3/4 or 3/12 3/4 1/2 or 1/3 1/2 5/9 or 5/6 5/6 What if both the denominators and the numerators are different? How can we tell which fraction is larger? Comparing Fractions With Different Denominators Which fraction is larger? When two fractions have both different denominators and different numerators, you need to find a common denominator 1 6 or 2 8 How Do We Find a Common Denominator? 1 X 2 X 4 4 = 1 6 2 8 4 Which fraction is larger – 8 4/8 or 6/8? Find Common Denominators for These Pairs of Fractions 4 3 12 6 4 12 3 6 X X 2 6 = 2 12 Which fraction is larger- 4/12 or 6/12 ? Which fraction is larger- 4/12 or 3/6 ? 2 3 7 9 7 9 Which fraction is larger- 7/9 or 6/9 ? Which fraction is larger- 7/9 or 2/3 ? 3/6 2 3 X X 3= 6 3 9 7/9 Mixed Review Which fraction is larger? 4/6 or 2/6 ? 4/6 2/8 or 4/16 ? equal 2/8 or 2/10 ? 2/8 2/3 or 9/21 ? 2/3 3/12 or 4/6 ? 4/6 7/10 or 3/10 ? 7/10 6/9 or 3/9 ? 6/9 8/12 or 8/9 ? 8/9 5/7 or 5/8 ? 5/7 3/6 or 2/6 ? 3/6