Fractions study guide
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The document contains instructions and examples for several fraction operations: 1) Adding fractions with unlike denominators by finding a common denominator and adding the numerators. 2) Subtracting fractions by finding a common denominator and subtracting the numerators. 3) Converting fractions to equivalent forms by dividing or multiplying the numerator and denominator by the same number. 4) Dividing fractions by dividing the first fraction's numerator by the second fraction's numerator and dividing the first fraction's denominator by the second fraction's denominator. 5) Multiplying fractions by multiplying the numerators and multiplying the denominators.
Fractions study guide
- 1. ADDING FRACTIONS (UNLIKE DENOMINATORS) Julia and Stephen walked 1 ? km, and rested for 30 minutes. Afterwards, they walked another 1 2/4 km. They ate lunch beside the waterfall. Then they walked back to the start of the trail. How far did they walk to get to the waterfall? SUBTRACTING FRACTIONS At the towns summer fest picnic, Ms. Carter cut a melon into 24 pieces and placed the slices on a serving table. Just as she finished, members of the dog parade group stopped by. They ate 11/24 melon slices. Next, the volunteer firefighters arrived. They ate ? of the melon slices. What fraction of the melon remained after the firefighters left?
- 2. CONVERTING FRACTIONS Jennifer was supposed to watch her baby cousin for 2 hours for $50.00. She recorded a time of 180/120. Should Jennifer ask for more money or accept the payment of $50.00? DIVIDING FRACTIONS Amy had ? of her pie that she wanted to share 1/8 of the pie with each friend. How much of the pie did each friend receive?
- 3. MULTIPLYING FRACTIONS Andy gave away 1/3 of his marbles to a friend. He knew he needed 2/3 as many marbles in order to compete in the competition with his friends. How much of the marbles did Andy need?