{"id":6787,"date":"2017-05-02T20:47:46","date_gmt":"2017-05-02T20:47:46","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/prealgebra\/?post_type=chapter&p=6787"},"modified":"2020-07-02T02:46:30","modified_gmt":"2020-07-02T02:46:30","slug":"add-and-subtract-fractions-with-common-denominators","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/cpcc-algebra-trig-I-support\/chapter\/add-and-subtract-fractions-with-common-denominators\/","title":{"raw":"Introduction to Adding and Subtracting Fractions With Common Denominators","rendered":"Introduction to Adding and Subtracting Fractions With Common Denominators"},"content":{"raw":"

What you'll learn to do: Add and subtract fractions with common denominators<\/h2>\r\n[caption id=\"attachment_12630\" align=\"aligncenter\" width=\"858\"]\"A<\/a> What fraction of students did well on the latest test?[\/caption]\r\n\r\nIn math class, Mike's teacher shares that [latex]\\Large\\frac{1}{8}[\/latex] of the students received an A on the latest test and 3\/8 of the students received a B. Mike wants to figure out what fraction of the class got either an A or B on the test. To do this, he'll have to add fractions. In this section, we'll\u00a0use models to explore how to add and subtract fractions with common denominators.\r\n\r\nBefore you get started, take this readiness quiz.\r\n
\r\n

readiness quiz<\/h3>\r\n1)\r\n\r\n[ohm_question]144900[\/ohm_question]\r\n\r\nIf you missed this problem, review this video.\r\n\r\nhttps:\/\/youtu.be\/KMUCQ_Pwt7o\r\n\r\n2)\r\n\r\nDraw a model of the fraction [latex]\\Large\\frac{3}{4}[\/latex].\r\n\r\n[reveal-answer q=\"503951\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"503951\"]\r\n\r\n\"\"<\/a>\r\n\r\n[\/hidden-answer]\r\n\r\nIf you missed this problem, review this video.\r\n\r\nhttps:\/\/youtu.be\/akyByv80Uzc\r\n\r\n3)\r\n\r\n[ohm_question]146163[\/ohm_question]\r\n\r\nIf you missed this problem, review this video.\r\n\r\nhttps:\/\/youtu.be\/eF_jiZvb79w\r\n\r\n<\/div>\r\n

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What you’ll learn to do: Add and subtract fractions with common denominators<\/h2>\n
\"A<\/a><\/p>\n

What fraction of students did well on the latest test?<\/p>\n<\/div>\n

In math class, Mike’s teacher shares that [latex]\\Large\\frac{1}{8}[\/latex] of the students received an A on the latest test and 3\/8 of the students received a B. Mike wants to figure out what fraction of the class got either an A or B on the test. To do this, he’ll have to add fractions. In this section, we’ll\u00a0use models to explore how to add and subtract fractions with common denominators.<\/p>\n

Before you get started, take this readiness quiz.<\/p>\n

\n

readiness quiz<\/h3>\n

1)<\/p>\n