Adding and Subtracting Like Fractions
Warm-Up A bread recipe calls for the ingredients below together with small amounts of sugar, oil, yeast, and salt. Bread 1 1/3 Cups of whole wheat flour 2 1/3 Cups of white flour 1/3 Cup oatmeal 1/3 Cup apricots (diced) 1/3 Cup hazelnuts 1.How many 1/3 cups are there? 2. Can you combine these ingredients in a 4-cup mixing bowl? Explain.
Add and Subtract Like Fractions Record in your Math Journal on page L: Fractions that have the same denominators are called like fractions. To add or subtract fractions, add or subtract the numerators and write the result over the denominator Las fracciones que tienen los mismos denominadores son llamadas como fracciones. Para sumar o restar fracciones, añadir o restar los numeradores y escribir el resultado sobre el denominador. + = = 888
Example Problems 5/9 + 7/9
Example Problems -5/9 + 1/9
Example Problems -1/6 + (-5/6)
-4/5 - 3/5
-8/9 - 7/9
5/7 - (-4/7)
A recipe for chocolate cookies calls for 2 ¾ cups of flour. If Alexis has 1 ¼ cups of flour, how much more will she need?
Jasmine is 60 ¼ inches tall. Amber is 58 ¾ inches tall. How much taller is Jasmine than Amber?
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