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Addition, subtraction, mult and division", "tags": [], "metadata": {"description": "<p>Practice with adding, subtracting and dividing basic algebraic fractions</p>", "licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International"}, "statement": "<p>Express the following as a single fraction and simplify where possible.</p>\n<p>Remember to use brackets appropriately and to use a * for multiplication for letters.</p>\n<p>-----------------------------------</p>", "advice": "<p>See Lecture 4.1 and Workshop 4.2 for background and examples.</p>\n<p>For background on fractions see 2.3.&nbsp; For background on algebraic manipulations see 2.6 and 3.3.</p>", "rulesets": {}, "extensions": [], "variables": {"a": {"name": "a", "group": "Ungrouped variables", "definition": "values[0]", "description": "", "templateType": "anything"}, "f": {"name": "f", "group": "Ungrouped variables", "definition": "values[4]", "description": "", "templateType": "anything"}, "c": {"name": "c", "group": "Ungrouped variables", "definition": "values[2]", "description": "", "templateType": "anything"}, "b": {"name": "b", "group": "Ungrouped variables", "definition": "values[1]", "description": "", "templateType": "anything"}, "d": {"name": "d", "group": "Ungrouped variables", "definition": "values[3]", "description": "", "templateType": "anything"}, "values": {"name": "values", "group": "Ungrouped variables", "definition": "shuffle([5,7,8,9])+[random(5..9)]", "description": "<p>a/x&nbsp; 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